select.result 69.8 KB
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drop table if exists t1,t2,t3,t4;
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drop table if exists t1_1,t1_2,t9_1,t9_2,t1aa,t2aa;
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drop view if exists v1;
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CREATE TABLE t1 (
Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
);
INSERT INTO t1 VALUES (9410,9412);
select period from t1;
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period
9410
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select * from t1;
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Period	Varor_period
9410	9412
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select t1.* from t1;
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Period	Varor_period
9410	9412
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CREATE TABLE t2 (
auto int not null auto_increment,
fld1 int(6) unsigned zerofill DEFAULT '000000' NOT NULL,
companynr tinyint(2) unsigned zerofill DEFAULT '00' NOT NULL,
fld3 char(30) DEFAULT '' NOT NULL,
fld4 char(35) DEFAULT '' NOT NULL,
fld5 char(35) DEFAULT '' NOT NULL,
fld6 char(4) DEFAULT '' NOT NULL,
UNIQUE fld1 (fld1),
KEY fld3 (fld3),
PRIMARY KEY (auto)
);
select t2.fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
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fld3
imaginable
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select fld3 from t2 where fld3 like "%cultivation" ;
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fld3
cultivation
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select t2.fld3,companynr from t2 where companynr = 57+1 order by fld3;
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fld3	companynr
concoct	58
druggists	58
engrossing	58
Eurydice	58
exclaimers	58
ferociousness	58
hopelessness	58
Huey	58
imaginable	58
judges	58
merging	58
ostrich	58
peering	58
Phelps	58
presumes	58
Ruth	58
sentences	58
Shylock	58
straggled	58
synergy	58
thanking	58
tying	58
unlocks	58
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select fld3,companynr from t2 where companynr = 58 order by fld3;
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fld3	companynr
concoct	58
druggists	58
engrossing	58
Eurydice	58
exclaimers	58
ferociousness	58
hopelessness	58
Huey	58
imaginable	58
judges	58
merging	58
ostrich	58
peering	58
Phelps	58
presumes	58
Ruth	58
sentences	58
Shylock	58
straggled	58
synergy	58
thanking	58
tying	58
unlocks	58
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select fld3 from t2 order by fld3 desc limit 10;
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fld3
youthfulness
yelped
Wotan
workers
Witt
witchcraft
Winsett
Willy
willed
wildcats
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select fld3 from t2 order by fld3 desc limit 5;
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fld3
youthfulness
yelped
Wotan
workers
Witt
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select fld3 from t2 order by fld3 desc limit 5,5;
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fld3
witchcraft
Winsett
Willy
willed
wildcats
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select t2.fld3 from t2 where fld3 = 'honeysuckle';
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fld3
honeysuckle
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select t2.fld3 from t2 where fld3 LIKE 'honeysuckl_';
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fld3
honeysuckle
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select t2.fld3 from t2 where fld3 LIKE 'hon_ysuckl_';
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fld3
honeysuckle
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select t2.fld3 from t2 where fld3 LIKE 'honeysuckle%';
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fld3
honeysuckle
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select t2.fld3 from t2 where fld3 LIKE 'h%le';
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fld3
honeysuckle
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select t2.fld3 from t2 where fld3 LIKE 'honeysuckle_';
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fld3
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select t2.fld3 from t2 where fld3 LIKE 'don_t_find_me_please%';
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fld3
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explain select t2.fld3 from t2 where fld3 = 'honeysuckle';
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
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explain select fld3 from t2 ignore index (fld3) where fld3 = 'honeysuckle';
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
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explain select fld3 from t2 use index (fld1) where fld3 = 'honeysuckle';
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
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explain select fld3 from t2 use index (fld3) where fld3 = 'honeysuckle';
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
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explain select fld3 from t2 use index (fld1,fld3) where fld3 = 'honeysuckle';
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
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explain select fld3 from t2 ignore index (fld3,not_used);
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ERROR 42000: Key column 'not_used' doesn't exist in table
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explain select fld3 from t2 use index (not_used);
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ERROR 42000: Key column 'not_used' doesn't exist in table
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select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
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fld3
honeysuckle
honoring
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explain select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	range	fld3	fld3	30	NULL	2	Using where; Using index
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select fld1,fld3 from t2 where fld3="Colombo" or fld3 = "nondecreasing" order by fld3;
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fld1	fld3
148504	Colombo
068305	Colombo
000000	nondecreasing
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select fld1,fld3 from t2 where companynr = 37 and fld3 = 'appendixes';
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fld1	fld3
232605	appendixes
1232605	appendixes
1232606	appendixes
1232607	appendixes
1232608	appendixes
1232609	appendixes
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select fld1 from t2 where fld1=250501 or fld1="250502";
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fld1
250501
250502
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explain select fld1 from t2 where fld1=250501 or fld1="250502";
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	range	fld1	fld1	4	NULL	2	Using where; Using index
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select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
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fld1
250501
250502
250505
250601
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explain select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	range	fld1	fld1	4	NULL	4	Using where; Using index
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select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
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fld1	fld3
218401	faithful
018007	fanatic
228311	fated
018017	featherweight
218022	feed
088303	feminine
058004	Fenton
038017	fetched
018054	fetters
208101	fiftieth
238007	filial
013606	fingerings
218008	finishers
038205	firearm
188505	fitting
202301	Fitzpatrick
238008	fixedly
012001	flanking
018103	flint
018104	flopping
188007	flurried
013602	foldout
226205	foothill
232102	forgivably
228306	forthcoming
186002	freakish
208113	freest
231315	freezes
036002	funereal
226209	furnishings
198006	furthermore
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select fld3 from t2 where fld3 like "L%" and fld3 = "ok";
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fld3
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select fld3 from t2 where (fld3 like "C%" and fld3 = "Chantilly");
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fld3
Chantilly
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select fld1,fld3 from t2 where fld1 like "25050%";
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fld1	fld3
250501	poisoning
250502	Iraqis
250503	heaving
250504	population
250505	bomb
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select fld1,fld3 from t2 where fld1 like "25050_";
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fld1	fld3
250501	poisoning
250502	Iraqis
250503	heaving
250504	population
250505	bomb
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select distinct companynr from t2;
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companynr
00
37
36
50
58
29
40
53
65
41
34
68
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select distinct companynr from t2 order by companynr;
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companynr
00
29
34
36
37
40
41
50
53
58
65
68
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select distinct companynr from t2 order by companynr desc;
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companynr
68
65
58
53
50
41
40
37
36
34
29
00
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select distinct t2.fld3,period from t2,t1 where companynr=37 and fld3 like "O%";
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fld3	period
obliterates	9410
offload	9410
opaquely	9410
organizer	9410
overestimating	9410
overlay	9410
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select distinct fld3 from t2 where companynr = 34 order by fld3;
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fld3
absentee
accessed
ahead
alphabetic
Asiaticizations
attitude
aye
bankruptcies
belays
Blythe
bomb
boulevard
bulldozes
cannot
caressing
charcoal
checksumming
chess
clubroom
colorful
cosy
creator
crying
Darius
diffusing
duality
Eiffel
Epiphany
Ernestine
explorers
exterminated
famine
forked
Gershwins
heaving
Hodges
Iraqis
Italianization
Lagos
landslide
libretto
Majorca
mastering
narrowed
occurred
offerers
Palestine
Peruvianizes
pharmaceutic
poisoning
population
Pygmalion
rats
realest
recording
regimented
retransmitting
reviver
rouses
scars
sicker
sleepwalk
stopped
sugars
translatable
uncles
unexpected
uprisings
versatility
vest
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select distinct fld3 from t2 limit 10;
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fld3
abates
abiding
Abraham
abrogating
absentee
abut
accessed
accruing
accumulating
accuracies
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select distinct fld3 from t2 having fld3 like "A%" limit 10;
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fld3
abates
abiding
Abraham
abrogating
absentee
abut
accessed
accruing
accumulating
accuracies
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select distinct substring(fld3,1,3) from t2 where fld3 like "A%";
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substring(fld3,1,3)
aba
abi
Abr
abs
abu
acc
acq
acu
Ade
adj
Adl
adm
Ado
ads
adv
aer
aff
afi
afl
afo
agi
ahe
aim
air
Ald
alg
ali
all
alp
alr
ama
ame
amm
ana
and
ane
Ang
ani
Ann
Ant
api
app
aqu
Ara
arc
Arm
arr
Art
Asi
ask
asp
ass
ast
att
aud
Aug
aut
ave
avo
awe
aye
Azt
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select distinct substring(fld3,1,3) as a from t2 having a like "A%" order by a limit 10;
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a
aba
abi
Abr
abs
abu
acc
acq
acu
Ade
adj
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select distinct substring(fld3,1,3) from t2 where fld3 like "A%" limit 10;
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substring(fld3,1,3)
aba
abi
Abr
abs
abu
acc
acq
acu
Ade
adj
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select distinct substring(fld3,1,3) as a from t2 having a like "A%" limit 10;
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a
aba
abi
Abr
abs
abu
acc
acq
acu
Ade
adj
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create table t3 (
period    int not null,
name      char(32) not null,
companynr int not null,
price     double(11,0),
price2     double(11,0),
key (period),
key (name)
);
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create temporary table tmp engine = myisam select * from t3;
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insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
insert into tmp select * from t3;
insert into t3 select * from tmp;
alter table t3 add t2nr int not null auto_increment primary key first;
drop table tmp;
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SET SQL_BIG_TABLES=1;
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select distinct concat(fld3," ",fld3) as namn from t2,t3 where t2.fld1=t3.t2nr order by namn limit 10;
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namn
Abraham Abraham
abrogating abrogating
admonishing admonishing
Adolph Adolph
afield afield
aging aging
ammonium ammonium
analyzable analyzable
animals animals
animized animized
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SET SQL_BIG_TABLES=0;
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select distinct concat(fld3," ",fld3) from t2,t3 where t2.fld1=t3.t2nr order by fld3 limit 10;
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concat(fld3," ",fld3)
Abraham Abraham
abrogating abrogating
admonishing admonishing
Adolph Adolph
afield afield
aging aging
ammonium ammonium
analyzable analyzable
animals animals
animized animized
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select distinct fld5 from t2 limit 10;
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fld5
neat
Steinberg
jarring
tinily
balled
persist
attainments
fanatic
measures
rightfulness
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select distinct fld3,count(*) from t2 group by companynr,fld3 limit 10;
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fld3	count(*)
affixed	1
and	1
annoyers	1
Anthony	1
assayed	1
assurers	1
attendants	1
bedlam	1
bedpost	1
boasted	1
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SET SQL_BIG_TABLES=1;
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select distinct fld3,count(*) from t2 group by companynr,fld3 limit 10;
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fld3	count(*)
affixed	1
and	1
annoyers	1
Anthony	1
assayed	1
assurers	1
attendants	1
bedlam	1
bedpost	1
boasted	1
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SET SQL_BIG_TABLES=0;
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select distinct fld3,repeat("a",length(fld3)),count(*) from t2 group by companynr,fld3 limit 100,10;
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fld3	repeat("a",length(fld3))	count(*)
circus	aaaaaa	1
cited	aaaaa	1
Colombo	aaaaaaa	1
congresswoman	aaaaaaaaaaaaa	1
contrition	aaaaaaaaaa	1
corny	aaaaa	1
cultivation	aaaaaaaaaaa	1
definiteness	aaaaaaaaaaaa	1
demultiplex	aaaaaaaaaaa	1
disappointing	aaaaaaaaaaaaa	1
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select distinct companynr,rtrim(space(512+companynr)) from t3 order by 1,2;
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companynr	rtrim(space(512+companynr))
37	
78	
101	
154	
311	
447	
512	
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select distinct fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by fld3;
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fld3
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explain select t3.t2nr,fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by t3.t2nr,fld3;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	ALL	fld1	NULL	NULL	NULL	1199	Using where; Using temporary; Using filesort
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1	SIMPLE	t3	eq_ref	PRIMARY	PRIMARY	4	test.t2.fld1	1	Using where; Using index
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	period	NULL	NULL	NULL	41810	Using temporary; Using filesort
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1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t3	index	period	period	4	NULL	41810	
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1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	period	period	4	NULL	41810	
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1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
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select period from t1;
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period
9410
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select period from t1 where period=1900;
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period
621
select fld3,period from t1,t2 where fld1 = 011401 order by period;
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fld3	period
breaking	9410
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select fld3,period from t2,t3 where t2.fld1 = 011401 and t2.fld1=t3.t2nr and t3.period=1001;
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fld3	period
breaking	1001
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explain select fld3,period from t2,t3 where t2.fld1 = 011401 and t3.t2nr=t2.fld1 and 1001 = t3.period;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t2	const	fld1	fld1	4	const	1	
1	SIMPLE	t3	const	PRIMARY,period	PRIMARY	4	const	1	
631
select fld3,period from t2,t1 where companynr*10 = 37*10;
632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
fld3	period
breaking	9410
Romans	9410
intercepted	9410
bewilderingly	9410
astound	9410
admonishing	9410
sumac	9410
flanking	9410
combed	9410
subjective	9410
scatterbrain	9410
Eulerian	9410
Kane	9410
overlay	9410
perturb	9410
goblins	9410
annihilates	9410
Wotan	9410
snatching	9410
concludes	9410
laterally	9410
yelped	9410
grazing	9410
Baird	9410
celery	9410
misunderstander	9410
handgun	9410
foldout	9410
mystic	9410
succumbed	9410
Nabisco	9410
fingerings	9410
aging	9410
afield	9410
ammonium	9410
boat	9410
intelligibility	9410
Augustine	9410
teethe	9410
dreaded	9410
scholastics	9410
audiology	9410
wallet	9410
parters	9410
eschew	9410
quitter	9410
neat	9410
Steinberg	9410
jarring	9410
tinily	9410
balled	9410
persist	9410
attainments	9410
fanatic	9410
measures	9410
rightfulness	9410
capably	9410
impulsive	9410
starlet	9410
terminators	9410
untying	9410
announces	9410
featherweight	9410
pessimist	9410
daughter	9410
decliner	9410
lawgiver	9410
stated	9410
readable	9410
attrition	9410
cascade	9410
motors	9410
interrogate	9410
pests	9410
stairway	9410
dopers	9410
testicle	9410
Parsifal	9410
leavings	9410
postulation	9410
squeaking	9410
contrasted	9410
leftover	9410
whiteners	9410
erases	9410
Punjab	9410
Merritt	9410
Quixotism	9410
sweetish	9410
dogging	9410
scornfully	9410
bellow	9410
bills	9410
cupboard	9410
sureties	9410
puddings	9410
fetters	9410
bivalves	9410
incurring	9410
Adolph	9410
pithed	9410
Miles	9410
trimmings	9410
tragedies	9410
skulking	9410
flint	9410
flopping	9410
relaxing	9410
offload	9410
suites	9410
lists	9410
animized	9410
multilayer	9410
standardizes	9410
Judas	9410
vacuuming	9410
dentally	9410
humanness	9410
inch	9410
Weissmuller	9410
irresponsibly	9410
luckily	9410
culled	9410
medical	9410
bloodbath	9410
subschema	9410
animals	9410
Micronesia	9410
repetitions	9410
Antares	9410
ventilate	9410
pityingly	9410
interdependent	9410
Graves	9410
neonatal	9410
chafe	9410
honoring	9410
realtor	9410
elite	9410
funereal	9410
abrogating	9410
sorters	9410
Conley	9410
lectured	9410
Abraham	9410
Hawaii	9410
cage	9410
hushes	9410
Simla	9410
reporters	9410
Dutchman	9410
descendants	9410
groupings	9410
dissociate	9410
coexist	9410
Beebe	9410
Taoism	9410
Connally	9410
fetched	9410
checkpoints	9410
rusting	9410
galling	9410
obliterates	9410
traitor	9410
resumes	9410
analyzable	9410
terminator	9410
gritty	9410
firearm	9410
minima	9410
Selfridge	9410
disable	9410
witchcraft	9410
betroth	9410
Manhattanize	9410
imprint	9410
peeked	9410
swelling	9410
interrelationships	9410
riser	9410
Gandhian	9410
peacock	9410
bee	9410
kanji	9410
dental	9410
scarf	9410
chasm	9410
insolence	9410
syndicate	9410
alike	9410
imperial	9410
convulsion	9410
railway	9410
validate	9410
normalizes	9410
comprehensive	9410
chewing	9410
denizen	9410
schemer	9410
chronicle	9410
Kline	9410
Anatole	9410
partridges	9410
brunch	9410
recruited	9410
dimensions	9410
Chicana	9410
announced	9410
praised	9410
employing	9410
linear	9410
quagmire	9410
western	9410
relishing	9410
serving	9410
scheduling	9410
lore	9410
eventful	9410
arteriole	9410
disentangle	9410
cured	9410
Fenton	9410
avoidable	9410
drains	9410
detectably	9410
husky	9410
impelling	9410
undoes	9410
evened	9410
squeezes	9410
destroyer	9410
rudeness	9410
beaner	9410
boorish	9410
Everhart	9410
encompass	9410
mushrooms	9410
Alison	9410
externally	9410
pellagra	9410
cult	9410
creek	9410
Huffman	9410
Majorca	9410
governing	9410
gadfly	9410
reassigned	9410
intentness	9410
craziness	9410
psychic	9410
squabbled	9410
burlesque	9410
capped	9410
extracted	9410
DiMaggio	9410
exclamation	9410
subdirectory	9410
Gothicism	9410
feminine	9410
metaphysically	9410
sanding	9410
Miltonism	9410
freakish	9410
index	9410
straight	9410
flurried	9410
denotative	9410
coming	9410
commencements	9410
gentleman	9410
gifted	9410
Shanghais	9410
sportswriting	9410
sloping	9410
navies	9410
leaflet	9410
shooter	9410
Joplin	9410
babies	9410
assails	9410
admiring	9410
swaying	9410
Goldstine	9410
fitting	9410
Norwalk	9410
analogy	9410
deludes	9410
cokes	9410
Clayton	9410
exhausts	9410
causality	9410
sating	9410
icon	9410
throttles	9410
communicants	9410
dehydrate	9410
priceless	9410
publicly	9410
incidentals	9410
commonplace	9410
mumbles	9410
furthermore	9410
cautioned	9410
parametrized	9410
registration	9410
sadly	9410
positioning	9410
babysitting	9410
eternal	9410
hoarder	9410
congregates	9410
rains	9410
workers	9410
sags	9410
unplug	9410
garage	9410
boulder	9410
specifics	9410
Teresa	9410
Winsett	9410
convenient	9410
buckboards	9410
amenities	9410
resplendent	9410
sews	9410
participated	9410
Simon	9410
certificates	9410
Fitzpatrick	9410
Evanston	9410
misted	9410
textures	9410
save	9410
count	9410
rightful	9410
chaperone	9410
Lizzy	9410
clenched	9410
effortlessly	9410
accessed	9410
beaters	9410
Hornblower	9410
vests	9410
indulgences	9410
infallibly	9410
unwilling	9410
excrete	9410
spools	9410
crunches	9410
overestimating	9410
ineffective	9410
humiliation	9410
sophomore	9410
star	9410
rifles	9410
dialysis	9410
arriving	9410
indulge	9410
clockers	9410
languages	9410
Antarctica	9410
percentage	9410
ceiling	9410
specification	9410
regimented	9410
ciphers	9410
pictures	9410
serpents	9410
allot	9410
realized	9410
mayoral	9410
opaquely	9410
hostess	9410
fiftieth	9410
incorrectly	9410
decomposition	9410
stranglings	9410
mixture	9410
electroencephalography	9410
similarities	9410
charges	9410
freest	9410
Greenberg	9410
tinting	9410
expelled	9410
warm	9410
smoothed	9410
deductions	9410
Romano	9410
bitterroot	9410
corset	9410
securing	9410
environing	9410
cute	9410
Crays	9410
heiress	9410
inform	9410
avenge	9410
universals	9410
Kinsey	9410
ravines	9410
bestseller	9410
equilibrium	9410
extents	9410
relatively	9410
pressure	9410
critiques	9410
befouled	9410
rightfully	9410
mechanizing	9410
Latinizes	9410
timesharing	9410
Aden	9410
embassies	9410
males	9410
shapelessly	9410
mastering	9410
Newtonian	9410
finishers	9410
abates	9410
teem	9410
kiting	9410
stodgy	9410
feed	9410
guitars	9410
airships	9410
store	9410
denounces	9410
Pyle	9410
Saxony	9410
serializations	9410
Peruvian	9410
taxonomically	9410
kingdom	9410
stint	9410
Sault	9410
faithful	9410
Ganymede	9410
tidiness	9410
gainful	9410
contrary	9410
Tipperary	9410
tropics	9410
theorizers	9410
renew	9410
already	9410
terminal	9410
Hegelian	9410
hypothesizer	9410
warningly	9410
journalizing	9410
nested	9410
Lars	9410
saplings	9410
foothill	9410
labeled	9410
imperiously	9410
reporters	9410
furnishings	9410
precipitable	9410
discounts	9410
excises	9410
Stalin	9410
despot	9410
ripeness	9410
Arabia	9410
unruly	9410
mournfulness	9410
boom	9410
slaughter	9410
Sabine	9410
handy	9410
rural	9410
organizer	9410
shipyard	9410
civics	9410
inaccuracy	9410
rules	9410
juveniles	9410
comprised	9410
investigations	9410
stabilizes	9410
seminaries	9410
Hunter	9410
sporty	9410
test	9410
weasels	9410
CERN	9410
tempering	9410
afore	9410
Galatean	9410
techniques	9410
error	9410
veranda	9410
severely	9410
Cassites	9410
forthcoming	9410
guides	9410
vanish	9410
lied	9410
sawtooth	9410
fated	9410
gradually	9410
widens	9410
preclude	9410
evenhandedly	9410
percentage	9410
disobedience	9410
humility	9410
gleaning	9410
petted	9410
bloater	9410
minion	9410
marginal	9410
apiary	9410
measures	9410
precaution	9410
repelled	9410
primary	9410
coverings	9410
Artemia	9410
navigate	9410
spatial	9410
Gurkha	9410
meanwhile	9410
Melinda	9410
Butterfield	9410
Aldrich	9410
previewing	9410
glut	9410
unaffected	9410
inmate	9410
mineral	9410
impending	9410
meditation	9410
ideas	9410
miniaturizes	9410
lewdly	9410
title	9410
youthfulness	9410
creak	9410
Chippewa	9410
clamored	9410
freezes	9410
forgivably	9410
reduce	9410
McGovern	9410
Nazis	9410
epistle	9410
socializes	9410
conceptions	9410
Kevin	9410
uncovering	9410
chews	9410
appendixes	9410
appendixes	9410
appendixes	9410
appendixes	9410
appendixes	9410
appendixes	9410
raining	9410
infest	9410
compartment	9410
minting	9410
ducks	9410
roped	9410
waltz	9410
Lillian	9410
repressions	9410
chillingly	9410
noncritical	9410
lithograph	9410
spongers	9410
parenthood	9410
posed	9410
instruments	9410
filial	9410
fixedly	9410
relives	9410
Pandora	9410
watering	9410
ungrateful	9410
secures	9410
poison	9410
dusted	9410
encompasses	9410
presentation	9410
Kantian	9410
1221
select fld3,period,price,price2 from t2,t3 where t2.fld1=t3.t2nr and period >= 1001 and period <= 1002 and t2.companynr = 37 order by fld3,period, price;
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281
fld3	period	price	price2
admonishing	1002	28357832	8723648
analyzable	1002	28357832	8723648
annihilates	1001	5987435	234724
Antares	1002	28357832	8723648
astound	1001	5987435	234724
audiology	1001	5987435	234724
Augustine	1002	28357832	8723648
Baird	1002	28357832	8723648
bewilderingly	1001	5987435	234724
breaking	1001	5987435	234724
Conley	1001	5987435	234724
dentally	1002	28357832	8723648
dissociate	1002	28357832	8723648
elite	1001	5987435	234724
eschew	1001	5987435	234724
Eulerian	1001	5987435	234724
flanking	1001	5987435	234724
foldout	1002	28357832	8723648
funereal	1002	28357832	8723648
galling	1002	28357832	8723648
Graves	1001	5987435	234724
grazing	1001	5987435	234724
groupings	1001	5987435	234724
handgun	1001	5987435	234724
humility	1002	28357832	8723648
impulsive	1002	28357832	8723648
inch	1001	5987435	234724
intelligibility	1001	5987435	234724
jarring	1001	5987435	234724
lawgiver	1001	5987435	234724
lectured	1002	28357832	8723648
Merritt	1002	28357832	8723648
neonatal	1001	5987435	234724
offload	1002	28357832	8723648
parters	1002	28357832	8723648
pityingly	1002	28357832	8723648
puddings	1002	28357832	8723648
Punjab	1001	5987435	234724
quitter	1002	28357832	8723648
realtor	1001	5987435	234724
relaxing	1001	5987435	234724
repetitions	1001	5987435	234724
resumes	1001	5987435	234724
Romans	1002	28357832	8723648
rusting	1001	5987435	234724
scholastics	1001	5987435	234724
skulking	1002	28357832	8723648
stated	1002	28357832	8723648
suites	1002	28357832	8723648
sureties	1001	5987435	234724
testicle	1002	28357832	8723648
tinily	1002	28357832	8723648
tragedies	1001	5987435	234724
trimmings	1001	5987435	234724
vacuuming	1001	5987435	234724
ventilate	1001	5987435	234724
wallet	1001	5987435	234724
Weissmuller	1002	28357832	8723648
Wotan	1002	28357832	8723648
1282
select t2.fld1,fld3,period,price,price2 from t2,t3 where t2.fld1>= 18201 and t2.fld1 <= 18811 and t2.fld1=t3.t2nr and period = 1001 and t2.companynr = 37;
1283 1284 1285 1286 1287
fld1	fld3	period	price	price2
018201	relaxing	1001	5987435	234724
018601	vacuuming	1001	5987435	234724
018801	inch	1001	5987435	234724
018811	repetitions	1001	5987435	234724
1288 1289 1290 1291 1292
create table t4 (
companynr tinyint(2) unsigned zerofill NOT NULL default '00',
companyname char(30) NOT NULL default '',
PRIMARY KEY (companynr),
UNIQUE KEY companyname(companyname)
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) ENGINE=MyISAM MAX_ROWS=50 PACK_KEYS=1 COMMENT='companynames';
1294
select STRAIGHT_JOIN t2.companynr,companyname from t4,t2 where t2.companynr=t4.companynr group by t2.companynr;
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companynr	companyname
00	Unknown
29	company 1
34	company 2
36	company 3
37	company 4
40	company 5
41	company 6
50	company 11
53	company 7
58	company 8
65	company 9
68	company 10
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select SQL_SMALL_RESULT t2.companynr,companyname from t4,t2 where t2.companynr=t4.companynr group by t2.companynr;
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companynr	companyname
00	Unknown
29	company 1
34	company 2
36	company 3
37	company 4
40	company 5
41	company 6
50	company 11
53	company 7
58	company 8
65	company 9
68	company 10
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select * from t1,t1 t12;
1323 1324
Period	Varor_period	Period	Varor_period
9410	9412	9410	9412
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select t2.fld1,t22.fld1 from t2,t2 t22 where t2.fld1 >= 250501 and t2.fld1 <= 250505 and t22.fld1 >= 250501 and t22.fld1 <= 250505;
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fld1	fld1
250501	250501
250502	250501
250503	250501
250504	250501
250505	250501
250501	250502
250502	250502
250503	250502
250504	250502
250505	250502
250501	250503
250502	250503
250503	250503
250504	250503
250505	250503
250501	250504
250502	250504
250503	250504
250504	250504
250505	250504
250501	250505
250502	250505
250503	250505
250504	250505
250505	250505
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insert into t2 (fld1, companynr) values (999999,99);
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select companynr,companyname from t2 left join t4 using (companynr) where companynr is null;
1354
companynr	companyname
1355
select count(*) from t2 left join t4 using (companynr) where companynr is not null;
1356
count(*)
1357 1358
1200
explain select companynr,companyname from t2 left join t4 using (companynr) where companynr is null;
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1359
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1360 1361
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr is null;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
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delete from t2 where fld1=999999;
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explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0;
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1366
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1367 1368 1369
1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1371 1372 1373
1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 and companynr > 0;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr is null;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0 or companynr > 0;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1383 1384 1385
1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
explain select companynr,companyname from t4 left join t2 using (companynr) where ifnull(companynr,1)>0;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1387 1388
1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
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select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
companynr	companynr
37	36
41	40
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1395 1396
1	SIMPLE	t4	index	NULL	PRIMARY	1	NULL	12	Using index; Using temporary
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
1397
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
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fld1	companynr	fld3	period
038008	37	reporters	1008
038208	37	Selfridge	1008
1401
select t2.fld1,t2.companynr,fld3,period from t3,t2 where (t2.fld1 = 38208 or t2.fld1 = 38008) and t2.fld1=t3.t2nr and period>=1008 and period<=1009;
1402 1403 1404
fld1	companynr	fld3	period
038008	37	reporters	1008
038208	37	Selfridge	1008
1405
select t2.fld1,t2.companynr,fld3,period from t3,t2 where (t3.t2nr = 38208 or t3.t2nr = 38008) and t2.fld1=t3.t2nr and period>=1008 and period<=1009;
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fld1	companynr	fld3	period
038008	37	reporters	1008
038208	37	Selfridge	1008
1409
select period from t1 where (((period > 0) or period < 10000 or (period = 1900)) and (period=1900 and period <= 1901) or (period=1903 and (period=1903)) and period>=1902) or ((period=1904 or period=1905) or (period=1906 or period>1907)) or (period=1908 and period = 1909);
1410 1411
period
9410
1412
select period from t1 where ((period > 0 and period < 1) or (((period > 0 and period < 100) and (period > 10)) or (period > 10)) or (period > 0 and (period > 5 or period > 6)));
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period
9410
1415
select a.fld1 from t2 as a,t2 b where ((a.fld1 = 250501 and a.fld1=b.fld1) or a.fld1=250502 or a.fld1=250503 or (a.fld1=250505 and a.fld1<=b.fld1 and b.fld1>=a.fld1)) and a.fld1=b.fld1;
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fld1
250501
250502
250503
250505
1421
select fld1 from t2 where fld1 in (250502,98005,98006,250503,250605,250606) and fld1 >=250502 and fld1 not in (250605,250606);
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fld1
250502
250503
1425
select fld1 from t2 where fld1 between 250502 and 250504;
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fld1
250502
250503
250504
1430
select fld3 from t2 where (((fld3 like "_%L%" ) or (fld3 like "%ok%")) and ( fld3 like "L%" or fld3 like "G%")) and fld3 like "L%" ;
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fld3
label
labeled
labeled
landslide
laterally
leaflet
lewdly
Lillian
luckily
1441
select count(*) from t1;
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count(*)
1
1444
select companynr,count(*),sum(fld1) from t2 group by companynr;
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companynr	count(*)	sum(fld1)
00	82	10355753
29	95	14473298
34	70	17788966
36	215	22786296
37	588	83602098
40	37	6618386
41	52	12816335
50	11	1595438
53	4	793210
58	23	2254293
65	10	2284055
68	12	3097288
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select companynr,count(*) from t2 group by companynr order by companynr desc limit 5;
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companynr	count(*)
68	12
65	10
58	23
53	4
50	11
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select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
count(*)	min(fld4)	max(fld4)	sum(fld1)	avg(fld1)	std(fld1)	variance(fld1)
70	absentee	vest	17788966	254128.0857	3272.5940	10709871.3069
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explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
Warnings:
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Note	1003	select count(0) AS `count(*)`,min(`test`.`t2`.`fld4`) AS `min(fld4)`,max(`test`.`t2`.`fld4`) AS `max(fld4)`,sum(`test`.`t2`.`fld1`) AS `sum(fld1)`,avg(`test`.`t2`.`fld1`) AS `avg(fld1)`,std(`test`.`t2`.`fld1`) AS `std(fld1)`,variance(`test`.`t2`.`fld1`) AS `variance(fld1)` from `test`.`t2` where ((`test`.`t2`.`companynr` = 34) and (`test`.`t2`.`fld4` <> _latin1''))
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select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
companynr	count(*)	min(fld4)	max(fld4)	sum(fld1)	avg(fld1)	std(fld1)	variance(fld1)
00	82	Anthony	windmills	10355753	126289.6707	115550.9757	13352027981.7087
29	95	abut	wetness	14473298	152350.5053	8368.5480	70032594.9026
34	70	absentee	vest	17788966	254128.0857	3272.5940	10709871.3069
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select companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
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companynr	t2nr	count(price)	sum(price)	min(price)	max(price)	avg(price)
37	1	1	5987435	5987435	5987435	5987435.0000
37	2	1	28357832	28357832	28357832	28357832.0000
37	3	1	39654943	39654943	39654943	39654943.0000
37	11	1	5987435	5987435	5987435	5987435.0000
37	12	1	28357832	28357832	28357832	28357832.0000
37	13	1	39654943	39654943	39654943	39654943.0000
37	21	1	5987435	5987435	5987435	5987435.0000
37	22	1	28357832	28357832	28357832	28357832.0000
37	23	1	39654943	39654943	39654943	39654943.0000
37	31	1	5987435	5987435	5987435	5987435.0000
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select /*! SQL_SMALL_RESULT */ companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
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companynr	t2nr	count(price)	sum(price)	min(price)	max(price)	avg(price)
37	1	1	5987435	5987435	5987435	5987435.0000
37	2	1	28357832	28357832	28357832	28357832.0000
37	3	1	39654943	39654943	39654943	39654943.0000
37	11	1	5987435	5987435	5987435	5987435.0000
37	12	1	28357832	28357832	28357832	28357832.0000
37	13	1	39654943	39654943	39654943	39654943.0000
37	21	1	5987435	5987435	5987435	5987435.0000
37	22	1	28357832	28357832	28357832	28357832.0000
37	23	1	39654943	39654943	39654943	39654943.0000
37	31	1	5987435	5987435	5987435	5987435.0000
1502
select companynr,count(price),sum(price),min(price),max(price),avg(price) from t3 group by companynr ;
1503 1504 1505 1506 1507 1508 1509 1510
companynr	count(price)	sum(price)	min(price)	max(price)	avg(price)
37	12543	309394878010	5987435	39654943	24666736.6667
78	8362	414611089292	726498	98439034	49582766.0000
101	4181	3489454238	834598	834598	834598.0000
154	4181	4112197254950	983543950	983543950	983543950.0000
311	4181	979599938	234298	234298	234298.0000
447	4181	9929180954	2374834	2374834	2374834.0000
512	4181	3288532102	786542	786542	786542.0000
1511
select distinct mod(companynr,10) from t4 group by companynr;
1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
mod(companynr,10)
0
9
4
6
7
1
3
8
5
1522
select distinct 1 from t4 group by companynr;
1523 1524
1
1
1525
select count(distinct fld1) from t2;
1526 1527
count(distinct fld1)
1199
1528
select companynr,count(distinct fld1) from t2 group by companynr;
1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541
companynr	count(distinct fld1)
00	82
29	95
34	70
36	215
37	588
40	37
41	52
50	11
53	4
58	23
65	10
68	12
1542
select companynr,count(*) from t2 group by companynr;
1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555
companynr	count(*)
00	82
29	95
34	70
36	215
37	588
40	37
41	52
50	11
53	4
58	23
65	10
68	12
1556
select companynr,count(distinct concat(fld1,repeat(65,1000))) from t2 group by companynr;
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
companynr	count(distinct concat(fld1,repeat(65,1000)))
00	82
29	95
34	70
36	215
37	588
40	37
41	52
50	11
53	4
58	23
65	10
68	12
1570
select companynr,count(distinct concat(fld1,repeat(65,200))) from t2 group by companynr;
1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583
companynr	count(distinct concat(fld1,repeat(65,200)))
00	82
29	95
34	70
36	215
37	588
40	37
41	52
50	11
53	4
58	23
65	10
68	12
1584
select companynr,count(distinct floor(fld1/100)) from t2 group by companynr;
1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597
companynr	count(distinct floor(fld1/100))
00	47
29	35
34	14
36	69
37	108
40	16
41	11
50	9
53	1
58	1
65	1
68	1
1598
select companynr,count(distinct concat(repeat(65,1000),floor(fld1/100))) from t2 group by companynr;
1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
companynr	count(distinct concat(repeat(65,1000),floor(fld1/100)))
00	47
29	35
34	14
36	69
37	108
40	16
41	11
50	9
53	1
58	1
65	1
68	1
1612
select sum(fld1),fld3 from t2 where fld3="Romans" group by fld1 limit 10;
1613 1614
sum(fld1)	fld3
11402	Romans
1615
select name,count(*) from t3 where name='cloakroom' group by name;
1616 1617
name	count(*)
cloakroom	4181
1618
select name,count(*) from t3 where name='cloakroom' and price>10 group by name;
1619 1620
name	count(*)
cloakroom	4181
1621
select count(*) from t3 where name='cloakroom' and price2=823742;
1622 1623
count(*)
4181
1624
select name,count(*) from t3 where name='cloakroom' and price2=823742 group by name;
1625 1626
name	count(*)
cloakroom	4181
1627
select name,count(*) from t3 where name >= "extramarital" and price <= 39654943 group by name;
1628 1629 1630 1631 1632 1633 1634 1635
name	count(*)
extramarital	4181
gazer	4181
gems	4181
Iranizes	4181
spates	4181
tucked	4181
violinist	4181
1636
select t2.fld3,count(*) from t2,t3 where t2.fld1=158402 and t3.name=t2.fld3 group by t3.name;
1637 1638
fld3	count(*)
spates	4181
1639
select companynr|0,companyname from t4 group by 1;
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companynr|0	companyname
0	Unknown
29	company 1
34	company 2
36	company 3
37	company 4
40	company 5
41	company 6
50	company 11
53	company 7
58	company 8
65	company 9
68	company 10
1653
select t2.companynr,companyname,count(*) from t2,t4 where t2.companynr=t4.companynr group by t2.companynr order by companyname;
1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
companynr	companyname	count(*)
29	company 1	95
68	company 10	12
50	company 11	11
34	company 2	70
36	company 3	215
37	company 4	588
40	company 5	37
41	company 6	52
53	company 7	4
58	company 8	23
65	company 9	10
00	Unknown	82
1667
select t2.fld1,count(*) from t2,t3 where t2.fld1=158402 and t3.name=t2.fld3 group by t3.name;
1668 1669
fld1	count(*)
158402	4181
1670
select sum(Period)/count(*) from t1;
1671
sum(Period)/count(*)
1672
9410.0000
1673
select companynr,count(price) as "count",sum(price) as "sum" ,abs(sum(price)/count(price)-avg(price)) as "diff",(0+count(price))*companynr as func from t3 group by companynr;
1674 1675 1676 1677 1678 1679 1680 1681
companynr	count	sum	diff	func
37	12543	309394878010	0.0000	464091
78	8362	414611089292	0.0000	652236
101	4181	3489454238	0.0000	422281
154	4181	4112197254950	0.0000	643874
311	4181	979599938	0.0000	1300291
447	4181	9929180954	0.0000	1868907
512	4181	3288532102	0.0000	2140672
1682
select companynr,sum(price)/count(price) as avg from t3 group by companynr having avg > 70000000 order by avg;
1683
companynr	avg
1684
154	983543950.0000
1685
select companynr,count(*) from t2 group by companynr order by 2 desc;
1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698
companynr	count(*)
37	588
36	215
29	95
00	82
34	70
41	52
40	37
58	23
68	12
50	11
65	10
53	4
1699
select companynr,count(*) from t2 where companynr > 40 group by companynr order by 2 desc;
1700 1701 1702 1703 1704 1705 1706
companynr	count(*)
41	52
58	23
68	12
50	11
65	10
53	4
1707
select t2.fld4,t2.fld1,count(price),sum(price),min(price),max(price),avg(price) from t3,t2 where t3.companynr = 37 and t2.fld1 = t3.t2nr group by fld1,t2.fld4;
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795
fld4	fld1	count(price)	sum(price)	min(price)	max(price)	avg(price)
teethe	000001	1	5987435	5987435	5987435	5987435.0000
dreaded	011401	1	5987435	5987435	5987435	5987435.0000
scholastics	011402	1	28357832	28357832	28357832	28357832.0000
audiology	011403	1	39654943	39654943	39654943	39654943.0000
wallet	011501	1	5987435	5987435	5987435	5987435.0000
parters	011701	1	5987435	5987435	5987435	5987435.0000
eschew	011702	1	28357832	28357832	28357832	28357832.0000
quitter	011703	1	39654943	39654943	39654943	39654943.0000
neat	012001	1	5987435	5987435	5987435	5987435.0000
Steinberg	012003	1	39654943	39654943	39654943	39654943.0000
balled	012301	1	5987435	5987435	5987435	5987435.0000
persist	012302	1	28357832	28357832	28357832	28357832.0000
attainments	012303	1	39654943	39654943	39654943	39654943.0000
capably	012501	1	5987435	5987435	5987435	5987435.0000
impulsive	012602	1	28357832	28357832	28357832	28357832.0000
starlet	012603	1	39654943	39654943	39654943	39654943.0000
featherweight	012701	1	5987435	5987435	5987435	5987435.0000
pessimist	012702	1	28357832	28357832	28357832	28357832.0000
daughter	012703	1	39654943	39654943	39654943	39654943.0000
lawgiver	013601	1	5987435	5987435	5987435	5987435.0000
stated	013602	1	28357832	28357832	28357832	28357832.0000
readable	013603	1	39654943	39654943	39654943	39654943.0000
testicle	013801	1	5987435	5987435	5987435	5987435.0000
Parsifal	013802	1	28357832	28357832	28357832	28357832.0000
leavings	013803	1	39654943	39654943	39654943	39654943.0000
squeaking	013901	1	5987435	5987435	5987435	5987435.0000
contrasted	016001	1	5987435	5987435	5987435	5987435.0000
leftover	016201	1	5987435	5987435	5987435	5987435.0000
whiteners	016202	1	28357832	28357832	28357832	28357832.0000
erases	016301	1	5987435	5987435	5987435	5987435.0000
Punjab	016302	1	28357832	28357832	28357832	28357832.0000
Merritt	016303	1	39654943	39654943	39654943	39654943.0000
sweetish	018001	1	5987435	5987435	5987435	5987435.0000
dogging	018002	1	28357832	28357832	28357832	28357832.0000
scornfully	018003	1	39654943	39654943	39654943	39654943.0000
fetters	018012	1	28357832	28357832	28357832	28357832.0000
bivalves	018013	1	39654943	39654943	39654943	39654943.0000
skulking	018021	1	5987435	5987435	5987435	5987435.0000
flint	018022	1	28357832	28357832	28357832	28357832.0000
flopping	018023	1	39654943	39654943	39654943	39654943.0000
Judas	018032	1	28357832	28357832	28357832	28357832.0000
vacuuming	018033	1	39654943	39654943	39654943	39654943.0000
medical	018041	1	5987435	5987435	5987435	5987435.0000
bloodbath	018042	1	28357832	28357832	28357832	28357832.0000
subschema	018043	1	39654943	39654943	39654943	39654943.0000
interdependent	018051	1	5987435	5987435	5987435	5987435.0000
Graves	018052	1	28357832	28357832	28357832	28357832.0000
neonatal	018053	1	39654943	39654943	39654943	39654943.0000
sorters	018061	1	5987435	5987435	5987435	5987435.0000
epistle	018062	1	28357832	28357832	28357832	28357832.0000
Conley	018101	1	5987435	5987435	5987435	5987435.0000
lectured	018102	1	28357832	28357832	28357832	28357832.0000
Abraham	018103	1	39654943	39654943	39654943	39654943.0000
cage	018201	1	5987435	5987435	5987435	5987435.0000
hushes	018202	1	28357832	28357832	28357832	28357832.0000
Simla	018402	1	28357832	28357832	28357832	28357832.0000
reporters	018403	1	39654943	39654943	39654943	39654943.0000
coexist	018601	1	5987435	5987435	5987435	5987435.0000
Beebe	018602	1	28357832	28357832	28357832	28357832.0000
Taoism	018603	1	39654943	39654943	39654943	39654943.0000
Connally	018801	1	5987435	5987435	5987435	5987435.0000
fetched	018802	1	28357832	28357832	28357832	28357832.0000
checkpoints	018803	1	39654943	39654943	39654943	39654943.0000
gritty	018811	1	5987435	5987435	5987435	5987435.0000
firearm	018812	1	28357832	28357832	28357832	28357832.0000
minima	019101	1	5987435	5987435	5987435	5987435.0000
Selfridge	019102	1	28357832	28357832	28357832	28357832.0000
disable	019103	1	39654943	39654943	39654943	39654943.0000
witchcraft	019201	1	5987435	5987435	5987435	5987435.0000
betroth	030501	1	5987435	5987435	5987435	5987435.0000
Manhattanize	030502	1	28357832	28357832	28357832	28357832.0000
imprint	030503	1	39654943	39654943	39654943	39654943.0000
swelling	031901	1	5987435	5987435	5987435	5987435.0000
interrelationships	036001	1	5987435	5987435	5987435	5987435.0000
riser	036002	1	28357832	28357832	28357832	28357832.0000
bee	038001	1	5987435	5987435	5987435	5987435.0000
kanji	038002	1	28357832	28357832	28357832	28357832.0000
dental	038003	1	39654943	39654943	39654943	39654943.0000
railway	038011	1	5987435	5987435	5987435	5987435.0000
validate	038012	1	28357832	28357832	28357832	28357832.0000
normalizes	038013	1	39654943	39654943	39654943	39654943.0000
Kline	038101	1	5987435	5987435	5987435	5987435.0000
Anatole	038102	1	28357832	28357832	28357832	28357832.0000
partridges	038103	1	39654943	39654943	39654943	39654943.0000
recruited	038201	1	5987435	5987435	5987435	5987435.0000
dimensions	038202	1	28357832	28357832	28357832	28357832.0000
Chicana	038203	1	39654943	39654943	39654943	39654943.0000
1796
select t3.companynr,fld3,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 group by companynr,fld3;
1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807
companynr	fld3	sum(price)
512	boat	786542
512	capably	786542
512	cupboard	786542
512	decliner	786542
512	descendants	786542
512	dopers	786542
512	erases	786542
512	Micronesia	786542
512	Miles	786542
512	skies	786542
1808
select t2.companynr,count(*),min(fld3),max(fld3),sum(price),avg(price) from t2,t3 where t3.companynr >= 30 and t3.companynr <= 58 and t3.t2nr = t2.fld1 and 1+1=2 group by t2.companynr;
1809 1810 1811 1812 1813
companynr	count(*)	min(fld3)	max(fld3)	sum(price)	avg(price)
00	1	Omaha	Omaha	5987435	5987435.0000
36	1	dubbed	dubbed	28357832	28357832.0000
37	83	Abraham	Wotan	1908978016	22999735.1325
50	2	scribbled	tapestry	68012775	34006387.5000
1814
select t3.companynr+0,t3.t2nr,fld3,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 37 group by 1,t3.t2nr,fld3,fld3,fld3,fld3,fld3 order by fld1;
1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902
t3.companynr+0	t2nr	fld3	sum(price)
37	1	Omaha	5987435
37	11401	breaking	5987435
37	11402	Romans	28357832
37	11403	intercepted	39654943
37	11501	bewilderingly	5987435
37	11701	astound	5987435
37	11702	admonishing	28357832
37	11703	sumac	39654943
37	12001	flanking	5987435
37	12003	combed	39654943
37	12301	Eulerian	5987435
37	12302	dubbed	28357832
37	12303	Kane	39654943
37	12501	annihilates	5987435
37	12602	Wotan	28357832
37	12603	snatching	39654943
37	12701	grazing	5987435
37	12702	Baird	28357832
37	12703	celery	39654943
37	13601	handgun	5987435
37	13602	foldout	28357832
37	13603	mystic	39654943
37	13801	intelligibility	5987435
37	13802	Augustine	28357832
37	13803	teethe	39654943
37	13901	scholastics	5987435
37	16001	audiology	5987435
37	16201	wallet	5987435
37	16202	parters	28357832
37	16301	eschew	5987435
37	16302	quitter	28357832
37	16303	neat	39654943
37	18001	jarring	5987435
37	18002	tinily	28357832
37	18003	balled	39654943
37	18012	impulsive	28357832
37	18013	starlet	39654943
37	18021	lawgiver	5987435
37	18022	stated	28357832
37	18023	readable	39654943
37	18032	testicle	28357832
37	18033	Parsifal	39654943
37	18041	Punjab	5987435
37	18042	Merritt	28357832
37	18043	Quixotism	39654943
37	18051	sureties	5987435
37	18052	puddings	28357832
37	18053	tapestry	39654943
37	18061	trimmings	5987435
37	18062	humility	28357832
37	18101	tragedies	5987435
37	18102	skulking	28357832
37	18103	flint	39654943
37	18201	relaxing	5987435
37	18202	offload	28357832
37	18402	suites	28357832
37	18403	lists	39654943
37	18601	vacuuming	5987435
37	18602	dentally	28357832
37	18603	humanness	39654943
37	18801	inch	5987435
37	18802	Weissmuller	28357832
37	18803	irresponsibly	39654943
37	18811	repetitions	5987435
37	18812	Antares	28357832
37	19101	ventilate	5987435
37	19102	pityingly	28357832
37	19103	interdependent	39654943
37	19201	Graves	5987435
37	30501	neonatal	5987435
37	30502	scribbled	28357832
37	30503	chafe	39654943
37	31901	realtor	5987435
37	36001	elite	5987435
37	36002	funereal	28357832
37	38001	Conley	5987435
37	38002	lectured	28357832
37	38003	Abraham	39654943
37	38011	groupings	5987435
37	38012	dissociate	28357832
37	38013	coexist	39654943
37	38101	rusting	5987435
37	38102	galling	28357832
37	38103	obliterates	39654943
37	38201	resumes	5987435
37	38202	analyzable	28357832
37	38203	terminator	39654943
1903
select sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 and t3.t2nr = 38008 and t2.fld1 = 38008 or t2.fld1= t3.t2nr and t3.t2nr = 38008 and t2.fld1 = 38008;
1904 1905
sum(price)
234298
1906
select t2.fld1,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 and t3.t2nr = 38008 and t2.fld1 = 38008 or t2.fld1 = t3.t2nr and t3.t2nr = 38008 and t2.fld1 = 38008 or t3.t2nr = t2.fld1 and t2.fld1 = 38008 group by t2.fld1;
1907 1908
fld1	sum(price)
038008	234298
1909
explain select fld3 from t2 where 1>2 or 2>3;
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1910
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1911
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
1912
explain select fld3 from t2 where fld1=fld1;
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1913
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1914
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
1915
select companynr,fld1 from t2 HAVING fld1=250501 or fld1=250502;
1916 1917 1918
companynr	fld1
34	250501
34	250502
1919
select companynr,fld1 from t2 WHERE fld1>=250501 HAVING fld1<=250502;
1920 1921 1922
companynr	fld1
34	250501
34	250502
1923
select companynr,count(*) as count,sum(fld1) as sum from t2 group by companynr having count > 40 and sum/count >= 120000;
1924 1925 1926 1927 1928 1929
companynr	count	sum
00	82	10355753
29	95	14473298
34	70	17788966
37	588	83602098
41	52	12816335
1930
select companynr from t2 group by companynr having count(*) > 40 and sum(fld1)/count(*) >= 120000 ;
1931 1932 1933 1934 1935 1936
companynr
00
29
34
37
41
1937
select t2.companynr,companyname,count(*) from t2,t4 where t2.companynr=t4.companynr group by companyname having t2.companynr >= 40;
1938 1939 1940 1941 1942 1943 1944 1945
companynr	companyname	count(*)
68	company 10	12
50	company 11	11
40	company 5	37
41	company 6	52
53	company 7	4
58	company 8	23
65	company 9	10
1946
select count(*) from t2;
1947 1948
count(*)
1199
1949
select count(*) from t2 where fld1 < 098024;
1950 1951
count(*)
387
1952
select min(fld1) from t2 where fld1>= 098024;
1953 1954
min(fld1)
98024
1955
select max(fld1) from t2 where fld1>= 098024;
1956 1957
max(fld1)
1232609
1958
select count(*) from t3 where price2=76234234;
1959 1960
count(*)
4181
1961
select count(*) from t3 where companynr=512 and price2=76234234;
1962 1963
count(*)
4181
1964
explain select min(fld1),max(fld1),count(*) from t2;
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1965
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1966
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
1967
select min(fld1),max(fld1),count(*) from t2;
1968 1969
min(fld1)	max(fld1)	count(*)
0	1232609	1199
1970
select min(t2nr),max(t2nr) from t3 where t2nr=2115 and price2=823742;
1971 1972
min(t2nr)	max(t2nr)
2115	2115
1973
select count(*),min(t2nr),max(t2nr) from t3 where name='spates' and companynr=78;
1974 1975
count(*)	min(t2nr)	max(t2nr)
4181	4	41804
1976
select t2nr,count(*) from t3 where name='gems' group by t2nr limit 20;
1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
t2nr	count(*)
9	1
19	1
29	1
39	1
49	1
59	1
69	1
79	1
89	1
99	1
109	1
119	1
129	1
139	1
149	1
159	1
169	1
179	1
189	1
199	1
1998
select max(t2nr) from t3 where price=983543950;
1999 2000
max(t2nr)
41807
2001
select t1.period from t3 = t1 limit 1;
2002 2003
period
1001
2004
select t1.period from t1 as t1 limit 1;
2005 2006
period
9410
2007
select t1.period as "Nuvarande period" from t1 as t1 limit 1;
2008 2009
Nuvarande period
9410
2010
select period as ok_period from t1 limit 1;
2011 2012
ok_period
9410
2013
select period as ok_period from t1 group by ok_period limit 1;
2014 2015
ok_period
9410
2016
select 1+1 as summa from t1 group by summa limit 1;
2017 2018
summa
2
2019
select period as "Nuvarande period" from t1 group by "Nuvarande period" limit 1;
2020 2021
Nuvarande period
9410
2022
show tables;
2023 2024 2025 2026 2027
Tables_in_test
t1
t2
t3
t4
2028
show tables from test like "s%";
2029
Tables_in_test (s%)
2030
show tables from test like "t?";
2031
Tables_in_test (t?)
2032
show full columns from t2;
2033
Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
2034 2035 2036 2037 2038 2039 2040
auto	int(11)	NULL	NO	PRI	NULL	auto_increment	#	
fld1	int(6) unsigned zerofill	NULL	NO	UNI	000000		#	
companynr	tinyint(2) unsigned zerofill	NULL	NO		00		#	
fld3	char(30)	latin1_swedish_ci	NO	MUL			#	
fld4	char(35)	latin1_swedish_ci	NO				#	
fld5	char(35)	latin1_swedish_ci	NO				#	
fld6	char(4)	latin1_swedish_ci	NO				#	
2041
show full columns from t2 from test like 'f%';
2042
Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
2043 2044 2045 2046 2047
fld1	int(6) unsigned zerofill	NULL	NO	UNI	000000		#	
fld3	char(30)	latin1_swedish_ci	NO	MUL			#	
fld4	char(35)	latin1_swedish_ci	NO				#	
fld5	char(35)	latin1_swedish_ci	NO				#	
fld6	char(4)	latin1_swedish_ci	NO				#	
2048
show full columns from t2 from test like 's%';
2049
Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
2050
show keys from t2;
2051 2052 2053 2054
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
t2	0	PRIMARY	1	auto	A	1199	NULL	NULL		BTREE	
t2	0	fld1	1	fld1	A	1199	NULL	NULL		BTREE	
t2	1	fld3	1	fld3	A	NULL	NULL	NULL		BTREE	
2055
drop table t4, t3, t2, t1;
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monty@hundin.mysql.fi committed
2056 2057
DO 1;
DO benchmark(100,1+1),1,1;
2058 2059 2060 2061
do default;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
do foobar;
ERROR 42S22: Unknown column 'foobar' in 'field list'
2062 2063 2064 2065 2066 2067 2068 2069
CREATE TABLE t1 (
id mediumint(8) unsigned NOT NULL auto_increment,
pseudo varchar(35) NOT NULL default '',
PRIMARY KEY  (id),
UNIQUE KEY pseudo (pseudo)
);
INSERT INTO t1 (pseudo) VALUES ('test');
INSERT INTO t1 (pseudo) VALUES ('test1');
2070 2071
SELECT 1 as rnd1 from t1 where rand() > 2;
rnd1
2072
DROP TABLE t1;
2073
CREATE TABLE t1 (gvid int(10) unsigned default NULL,  hmid int(10) unsigned default NULL,  volid int(10) unsigned default NULL,  mmid int(10) unsigned default NULL,  hdid int(10) unsigned default NULL,  fsid int(10) unsigned default NULL,  ctid int(10) unsigned default NULL,  dtid int(10) unsigned default NULL,  cost int(10) unsigned default NULL,  performance int(10) unsigned default NULL,  serialnumber bigint(20) unsigned default NULL,  monitored tinyint(3) unsigned default '1',  removed tinyint(3) unsigned default '0',  target tinyint(3) unsigned default '0',  dt_modified timestamp NOT NULL,  name varchar(255) binary default NULL,  description varchar(255) default NULL,  UNIQUE KEY hmid (hmid,volid)) ENGINE=MyISAM;
2074
INSERT INTO t1 VALUES (200001,2,1,1,100,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\E$',''),(200002,2,2,1,101,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\C$',''),(200003,1,3,2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,1,0,1,20020425060427,'c:',NULL);
2075
CREATE TABLE t2 (  hmid int(10) unsigned default NULL,  volid int(10) unsigned default NULL,  sampletid smallint(5) unsigned default NULL,  sampletime datetime default NULL,  samplevalue bigint(20) unsigned default NULL,  KEY idx1 (hmid,volid,sampletid,sampletime)) ENGINE=MyISAM;
2076
INSERT INTO t2 VALUES (1,3,10,'2002-06-01 08:00:00',35),(1,3,1010,'2002-06-01 12:00:01',35);
2077 2078 2079
SELECT a.gvid, (SUM(CASE b.sampletid WHEN 140 THEN b.samplevalue ELSE 0 END)) as the_success,(SUM(CASE b.sampletid WHEN 141 THEN b.samplevalue ELSE 0 END)) as the_fail,(SUM(CASE b.sampletid WHEN 142 THEN b.samplevalue ELSE 0 END)) as the_size,(SUM(CASE b.sampletid WHEN 143 THEN b.samplevalue ELSE 0 END)) as the_time FROM t1 a, t2 b WHERE a.hmid = b.hmid AND a.volid = b.volid AND b.sampletime >= 'wrong-date-value' AND b.sampletime < 'wrong-date-value' AND b.sampletid IN (140, 141, 142, 143) GROUP BY a.gvid;
gvid	the_success	the_fail	the_size	the_time
Warnings:
2080 2081
Warning	1292	Incorrect datetime value: 'wrong-date-value' for column 'sampletime' at row 1
Warning	1292	Incorrect datetime value: 'wrong-date-value' for column 'sampletime' at row 1
2082
SELECT a.gvid, (SUM(CASE b.sampletid WHEN 140 THEN b.samplevalue ELSE 0 END)) as the_success,(SUM(CASE b.sampletid WHEN 141 THEN b.samplevalue ELSE 0 END)) as the_fail,(SUM(CASE b.sampletid WHEN 142 THEN b.samplevalue ELSE 0 END)) as the_size,(SUM(CASE b.sampletid WHEN 143 THEN b.samplevalue ELSE 0 END)) as the_time FROM t1 a, t2 b WHERE a.hmid = b.hmid AND a.volid = b.volid AND b.sampletime >= NULL AND b.sampletime < NULL AND b.sampletid IN (140, 141, 142, 143) GROUP BY a.gvid;
2083 2084
gvid	the_success	the_fail	the_size	the_time
DROP TABLE t1,t2;
2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099
create table  t1 (  A_Id bigint(20) NOT NULL default '0',  A_UpdateBy char(10) NOT NULL default '',  A_UpdateDate bigint(20) NOT NULL default '0',  A_UpdateSerial int(11) NOT NULL default '0',  other_types bigint(20) NOT NULL default '0',  wss_type bigint(20) NOT NULL default '0');
INSERT INTO t1 VALUES (102935998719055004,'brade',1029359987,2,102935229116544068,102935229216544093);
select wss_type from t1 where wss_type ='102935229216544106';
wss_type
select wss_type from t1 where wss_type ='102935229216544105';
wss_type
select wss_type from t1 where wss_type ='102935229216544104';
wss_type
select wss_type from t1 where wss_type ='102935229216544093';
wss_type
102935229216544093
select wss_type from t1 where wss_type =102935229216544093;
wss_type
102935229216544093
drop table t1;
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2100 2101 2102 2103 2104 2105 2106 2107 2108
select 1+2,"aaaa",3.13*2.0 into @a,@b,@c;
select @a;
@a
3
select @b;
@b
aaaa
select @c;
@c
2109
6.260
2110 2111 2112 2113 2114
create table t1 (a int not null auto_increment primary key);
insert into t1 values ();
insert into t1 values ();
insert into t1 values ();
select * from (t1 as t2 left join t1 as t3 using (a)), t1;
2115 2116 2117 2118 2119 2120 2121 2122 2123 2124
a	a
1	1
2	1
3	1
1	2
2	2
3	2
1	3
2	3
3	3
2125
select * from t1, (t1 as t2 left join t1 as t3 using (a));
2126 2127 2128 2129 2130 2131 2132 2133 2134 2135
a	a
1	1
2	1
3	1
1	2
2	2
3	2
1	3
2	3
3	3
2136
select * from (t1 as t2 left join t1 as t3 using (a)) straight_join t1;
2137 2138 2139 2140 2141 2142 2143 2144 2145 2146
a	a
1	1
2	1
3	1
1	2
2	2
3	2
1	3
2	3
3	3
2147
select * from t1 straight_join (t1 as t2 left join t1 as t3 using (a));
2148 2149 2150 2151 2152 2153 2154 2155 2156 2157
a	a
1	1
2	1
3	1
1	2
2	2
3	2
1	3
2	3
3	3
2158
select * from (t1 as t2 left join t1 as t3 using (a)) inner join t1 on t1.a>1;
2159 2160 2161 2162 2163 2164 2165
a	a
1	2
2	2
3	2
1	3
2	3
3	3
2166
select * from t1 inner join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
2167 2168 2169 2170 2171 2172 2173
a	a
2	1
3	1
2	2
3	2
2	3
3	3
2174
select * from (t1 as t2 left join t1 as t3 using (a)) inner join t1 using ( a );
2175 2176 2177 2178
a
1
2
3
2179
select * from t1 inner join (t1 as t2 left join t1 as t3 using (a)) using ( a );
2180 2181 2182 2183
a
1
2
3
2184
select * from (t1 as t2 left join t1 as t3 using (a)) left outer join t1 on t1.a>1;
2185 2186 2187 2188 2189 2190 2191
a	a
1	2
1	3
2	2
2	3
3	2
3	3
2192
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
2193 2194 2195 2196 2197 2198 2199 2200
a	a
1	NULL
2	1
2	2
2	3
3	1
3	2
3	3
2201
select * from (t1 as t2 left join t1 as t3 using (a)) left join t1 using ( a );
2202 2203 2204 2205
a
1
2
3
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select * from t1 left join (t1 as t2 left join t1 as t3 using (a)) using ( a );
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a
1
2
3
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select * from (t1 as t2 left join t1 as t3 using (a)) natural left join t1;
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a
1
2
3
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select * from t1 natural left join (t1 as t2 left join t1 as t3 using (a));
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a
1
2
3
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select * from (t1 as t2 left join t1 as t3 using (a)) right join t1 on t1.a>1;
a	a
NULL	1
1	2
2	2
3	2
1	3
2	3
3	3
select * from t1 right join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
a	a
2	1
3	1
2	2
3	2
2	3
3	3
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select * from (t1 as t2 left join t1 as t3 using (a)) right outer join t1 using ( a );
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a
1
2
3
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select * from t1 right outer join (t1 as t2 left join t1 as t3 using (a)) using ( a );
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a
1
2
3
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select * from (t1 as t2 left join t1 as t3 using (a)) natural right join t1;
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a
1
2
3
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select * from t1 natural right join (t1 as t2 left join t1 as t3 using (a));
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a
1
2
3
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select * from t1 natural join (t1 as t2 left join t1 as t3 using (a));
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a
1
2
3
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select * from (t1 as t2 left join t1 as t3 using (a)) natural join t1;
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a
1
2
3
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drop table t1;
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CREATE TABLE t1 (  aa char(2),  id int(11) NOT NULL auto_increment,  t2_id int(11) NOT NULL default '0',  PRIMARY KEY  (id),  KEY replace_id (t2_id)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ("1",8264,2506),("2",8299,2517),("3",8301,2518),("4",8302,2519),("5",8303,2520),("6",8304,2521),("7",8305,2522);
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CREATE TABLE t2 ( id int(11) NOT NULL auto_increment,  PRIMARY KEY  (id)) ENGINE=MyISAM;
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INSERT INTO t2 VALUES (2517), (2518), (2519), (2520), (2521), (2522);
select * from t1, t2 WHERE t1.t2_id = t2.id and t1.t2_id > 0   order by t1.id   LIMIT 0, 5;
aa	id	t2_id	id
2	8299	2517	2517
3	8301	2518	2518
4	8302	2519	2519
5	8303	2520	2520
6	8304	2521	2521
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drop table t1,t2;
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create table t1 (id1 int NOT NULL);
create table t2 (id2 int NOT NULL);
create table t3 (id3 int NOT NULL);
create table t4 (id4 int NOT NULL, id44 int NOT NULL, KEY (id4));
insert into t1 values (1);
insert into t1 values (2);
insert into t2 values (1);
insert into t4 values (1,1);
explain select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	const row not found
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
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1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1	
1	SIMPLE	t4	ALL	id4	NULL	NULL	NULL	1	Using where
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select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
id1	id2	id3	id4	id44
1	1	NULL	NULL	NULL
drop table t1,t2,t3,t4;
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create table t1(s varchar(10) not null);
create table t2(s varchar(10) not null primary key);
create table t3(s varchar(10) not null primary key);
insert into t1 values ('one\t'), ('two\t');
insert into t2 values ('one\r'), ('two\t');
insert into t3 values ('one '), ('two\t');
select * from t1 where s = 'one';
s
select * from t2 where s = 'one';
s
select * from t3 where s = 'one';
s
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one 
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select * from t1,t2 where t1.s = t2.s;
s	s
two		two	
select * from t2,t3 where t2.s = t3.s;
s	s
two		two	
drop table t1, t2, t3;
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create table t1 (a integer,  b integer, index(a), index(b));
create table t2 (c integer,  d integer, index(c), index(d));
insert into t1 values (1,2), (2,2), (3,2), (4,2);
insert into t2 values (1,3), (2,3), (3,4), (4,4);
explain select * from t1 left join t2 on a=c where d in (4);
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ref	c,d	d	5	const	2	Using where
1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	3	Using where
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select * from t1 left join t2 on a=c where d in (4);
a	b	c	d
3	2	3	4
4	2	4	4
explain select * from t1 left join t2 on a=c where d = 4;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ref	c,d	d	5	const	2	Using where
1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	3	Using where
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select * from t1 left join t2 on a=c where d = 4;
a	b	c	d
3	2	3	4
4	2	4	4
drop table t1, t2;
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CREATE TABLE t1 (
i int(11) NOT NULL default '0',
c char(10) NOT NULL default '',
PRIMARY KEY  (i),
UNIQUE KEY c (c)
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1,'a');
INSERT INTO t1 VALUES (2,'b');
INSERT INTO t1 VALUES (3,'c');
EXPLAIN SELECT i FROM t1 WHERE i=1;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
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DROP TABLE t1;
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CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
DROP TABLE t1, t2;
CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris');
SELECT * FROM t1 WHERE city='London';
city
London
SELECT * FROM t1 WHERE city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
SELECT * FROM t1 WHERE city='London' AND city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
city
London
DROP TABLE t1;
create table t1 (a int(11) unsigned, b int(11) unsigned);
insert into t1 values (1,0), (1,1), (1,2);
select a-b  from t1 order by 1;
a-b
0
1
18446744073709551615
select a-b , (a-b < 0)  from t1 order by 1;
a-b	(a-b < 0)
0	0
1	0
18446744073709551615	0
select a-b as d, (a-b >= 0), b from t1 group by b having d >= 0;
d	(a-b >= 0)	b
1	1	0
0	1	1
18446744073709551615	1	2
select cast((a - b) as unsigned) from t1 order by 1;
cast((a - b) as unsigned)
0
1
18446744073709551615
drop table t1;
create table t1 (a int(11));
select all all * from t1;
a
select distinct distinct * from t1;
a
select all distinct * from t1;
ERROR HY000: Incorrect usage of ALL and DISTINCT
select distinct all * from t1;
ERROR HY000: Incorrect usage of ALL and DISTINCT
drop table t1;
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CREATE TABLE t1 (
kunde_intern_id int(10) unsigned NOT NULL default '0',
kunde_id int(10) unsigned NOT NULL default '0',
FK_firma_id int(10) unsigned NOT NULL default '0',
aktuell enum('Ja','Nein') NOT NULL default 'Ja',
vorname varchar(128) NOT NULL default '',
nachname varchar(128) NOT NULL default '',
geloescht enum('Ja','Nein') NOT NULL default 'Nein',
firma varchar(128) NOT NULL default ''
);
INSERT INTO t1 VALUES 
(3964,3051,1,'Ja','Vorname1','1Nachname','Nein','Print Schau XXXX'),
(3965,3051111,1,'Ja','Vorname1111','1111Nachname','Nein','Print Schau XXXX');
SELECT kunde_id ,FK_firma_id ,aktuell, vorname, nachname, geloescht FROM t1
WHERE
(
(
( '' != '' AND firma LIKE CONCAT('%', '', '%'))
OR
(vorname LIKE CONCAT('%', 'Vorname1', '%') AND 
nachname LIKE CONCAT('%', '1Nachname', '%') AND 
'Vorname1' != '' AND 'xxxx' != '')
)
AND
(
aktuell = 'Ja' AND geloescht = 'Nein' AND FK_firma_id = 2
)
)
;
kunde_id	FK_firma_id	aktuell	vorname	nachname	geloescht
SELECT kunde_id ,FK_firma_id ,aktuell, vorname, nachname,
geloescht FROM t1
WHERE
(
(
aktuell = 'Ja' AND geloescht = 'Nein' AND FK_firma_id = 2
)
AND
(
( '' != '' AND firma LIKE CONCAT('%', '', '%')  )
OR
(  vorname LIKE CONCAT('%', 'Vorname1', '%') AND
nachname LIKE CONCAT('%', '1Nachname', '%') AND 'Vorname1' != '' AND
'xxxx' != '')
)
)
;
kunde_id	FK_firma_id	aktuell	vorname	nachname	geloescht
SELECT COUNT(*) FROM t1 WHERE 
( 0 OR (vorname LIKE '%Vorname1%' AND nachname LIKE '%1Nachname%' AND 1)) 
AND FK_firma_id = 2;
COUNT(*)
0
drop table t1;
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CREATE TABLE t1 (b BIGINT(20) UNSIGNED NOT NULL, PRIMARY KEY (b));
INSERT INTO t1 VALUES (0x8000000000000000);
SELECT b FROM t1 WHERE b=0x8000000000000000;
b
9223372036854775808
DROP TABLE t1;
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CREATE TABLE `t1` ( `gid` int(11) default NULL, `uid` int(11) default NULL);
CREATE TABLE `t2` ( `ident` int(11) default NULL, `level` char(16) default NULL);
INSERT INTO `t2` VALUES (0,'READ');
CREATE TABLE `t3` ( `id` int(11) default NULL, `name` char(16) default NULL);
INSERT INTO `t3` VALUES (1,'fs');
select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
id	name	gid	uid	ident	level
1	fs	NULL	NULL	0	READ
drop table t1,t2,t3;
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CREATE TABLE t1 (
acct_id int(11) NOT NULL default '0',
profile_id smallint(6) default NULL,
UNIQUE KEY t1$acct_id (acct_id),
KEY t1$profile_id (profile_id)
);
INSERT INTO t1 VALUES (132,17),(133,18);
CREATE TABLE t2 (
profile_id smallint(6) default NULL,
queue_id int(11) default NULL,
seq int(11) default NULL,
KEY t2$queue_id (queue_id)
);
INSERT INTO t2 VALUES (17,31,4),(17,30,3),(17,36,2),(17,37,1);
CREATE TABLE t3 (
id int(11) NOT NULL default '0',
qtype int(11) default NULL,
seq int(11) default NULL,
warn_lvl int(11) default NULL,
crit_lvl int(11) default NULL,
rr1 tinyint(4) NOT NULL default '0',
rr2 int(11) default NULL,
default_queue tinyint(4) NOT NULL default '0',
KEY t3$qtype (qtype),
KEY t3$id (id)
);
INSERT INTO t3 VALUES (30,1,29,NULL,NULL,0,NULL,0),(31,1,28,NULL,NULL,0,NULL,0),
(36,1,34,NULL,NULL,0,NULL,0),(37,1,35,NULL,NULL,0,121,0);
SELECT COUNT(*) FROM t1 a STRAIGHT_JOIN t2 pq STRAIGHT_JOIN t3 q 
WHERE 
(pq.profile_id = a.profile_id) AND (a.acct_id = 132) AND 
(pq.queue_id = q.id) AND (q.rr1 <> 1);
COUNT(*)
4
drop table t1,t2,t3;
create table t1 (f1 int);
insert into t1 values (1),(NULL);
create table t2 (f2 int, f3 int, f4 int);
create index idx1 on t2 (f4);
insert into t2 values (1,2,3),(2,4,6);
select A.f2 from t1 left join t2 A on A.f2 = f1 where A.f3=(select min(f3)
from  t2 C where A.f4 = C.f4) or A.f3 IS NULL;
f2
1
NULL
drop table t1,t2;
create table t2 (a tinyint unsigned);
create index t2i on t2(a);
insert into t2 values (0), (254), (255);
explain select * from t2 where a > -1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	index	t2i	t2i	2	NULL	3	Using where; Using index
select * from t2 where a > -1;
a
0
254
255
drop table t2;
CREATE TABLE t1 (a int, b int, c int);
INSERT INTO t1
SELECT 50, 3, 3 FROM DUAL
WHERE NOT EXISTS
(SELECT * FROM t1 WHERE a = 50 AND b = 3);
SELECT * FROM t1;
a	b	c
50	3	3
INSERT INTO t1
SELECT 50, 3, 3 FROM DUAL
WHERE NOT EXISTS
(SELECT * FROM t1 WHERE a = 50 AND b = 3);
select found_rows();
found_rows()
0
SELECT * FROM t1;
a	b	c
50	3	3
select count(*) from t1;
count(*)
1
select found_rows();
found_rows()
1
select count(*) from t1 limit 2,3;
count(*)
select found_rows();
found_rows()
0
select SQL_CALC_FOUND_ROWS count(*) from t1 limit 2,3;
count(*)
select found_rows();
found_rows()
1
DROP TABLE t1;
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CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris');
SELECT * FROM t1 WHERE city='London';
city
London
SELECT * FROM t1 WHERE city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
SELECT * FROM t1 WHERE city='London' AND city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
city
London
DROP TABLE t1;
create table t1 (a int(11) unsigned, b int(11) unsigned);
insert into t1 values (1,0), (1,1), (1,2);
select a-b  from t1 order by 1;
a-b
0
1
18446744073709551615
select a-b , (a-b < 0)  from t1 order by 1;
a-b	(a-b < 0)
0	0
1	0
18446744073709551615	0
select a-b as d, (a-b >= 0), b from t1 group by b having d >= 0;
d	(a-b >= 0)	b
1	1	0
0	1	1
18446744073709551615	1	2
select cast((a - b) as unsigned) from t1 order by 1;
cast((a - b) as unsigned)
0
1
18446744073709551615
drop table t1;
create table t1 (a int(11));
select all all * from t1;
a
select distinct distinct * from t1;
a
select all distinct * from t1;
ERROR HY000: Incorrect usage of ALL and DISTINCT
select distinct all * from t1;
ERROR HY000: Incorrect usage of ALL and DISTINCT
drop table t1;
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CREATE TABLE t1 ( 
K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '', 
K4N4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '0000', 
F2I4 int(11) NOT NULL default '0' 
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES 
('W%RT', '0100',  1), 
('W-RT', '0100', 1), 
('WART', '0100', 1), 
('WART', '0200', 1), 
('WERT', '0100', 2), 
('WORT','0200', 2), 
('WT', '0100', 2), 
('W_RT', '0100', 2), 
('WaRT', '0100', 3), 
('WART', '0300', 3), 
('WRT' , '0400', 3), 
('WURM', '0500', 3), 
('W%T', '0600', 4), 
('WA%T', '0700', 4), 
('WA_T', '0800', 4);
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE  K2C4 = 'WART' AND 
(F2I4 = 2 AND K2C4 = 'WART' OR (F2I4 = 2 OR K4N4 = '0200'));
K2C4	K4N4	F2I4
WART	0200	1
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE  K2C4 = 'WART' AND (K2C4 = 'WART' OR K4N4 = '0200');
K2C4	K4N4	F2I4
WART	0100	1
WART	0200	1
WART	0300	3
DROP TABLE t1;
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CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
2681
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
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DROP TABLE t1, t2;
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create table t1 (a int, b int);
create table t2 like t1;
select t1.a from (t1 inner join t2 on t1.a=t2.a) where t2.a=1;
a
select t1.a from ((t1 inner join t2 on t1.a=t2.a)) where t2.a=1;
a
select x.a, y.a, z.a from ( (t1 x inner join t2 y on x.a=y.a) inner join t2 z on y.a=z.a) WHERE x.a=1;
a	a	a
drop table t1,t2;
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create table t1 (s1 varchar(5));
insert into t1 values ('Wall');
select min(s1) from t1 group by s1 with rollup;
min(s1)
Wall
Wall
drop table t1;
create table t1 (s1 int) engine=myisam;
insert into t1 values (0);
select avg(distinct s1) from t1 group by s1 with rollup;
avg(distinct s1)
0.0000
0.0000
drop table t1;
create table t1 (s1 int);
insert into t1 values (null),(1);
select distinct avg(s1) as x from t1 group by s1 with rollup;
x
NULL
1.0000
drop table t1;
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create table t1 (a int(11));
select all all * from t1;
a
select distinct distinct * from t1;
a
select all distinct * from t1;
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ERROR HY000: Incorrect usage of ALL and DISTINCT
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select distinct all * from t1;
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ERROR HY000: Incorrect usage of ALL and DISTINCT
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drop table t1;
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CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	
DROP TABLE t1, t2;
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CREATE TABLE t1 (a int);
CREATE TABLE t2 (a int);
INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
INSERT INTO t2 VALUES (2), (4), (6);
SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
a
2
4
EXPLAIN SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where
EXPLAIN SELECT t1.a FROM t1 INNER JOIN t2 ON t1.a=t2.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	Using where
DROP TABLE t1,t2;
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select x'10' + 0, X'10' + 0, b'10' + 0, B'10' + 0;
x'10' + 0	X'10' + 0	b'10' + 0	B'10' + 0
16	16	2	2