DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t3; DROP TABLE IF EXISTS t4; SET NAMES ujis; SET character_set_database = ujis; CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = InnoDB; CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = InnoDB; CREATE TABLE t3( `��` char(1), `��` char(1), `���` char(1) )DEFAULT CHARSET = ujis ENGINE = InnoDB; CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = InnoDB; INSERT INTO t1 VALUES ('xxx'); INSERT INTO t2 VALUES ('�������'); INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z'); INSERT INTO t4 VALUES ('��'),('��'),('���'); PREPARE stmt1 FROM 'SELECT ? FROM t3'; PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?'; PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?'; PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)'; PREPARE stmt5 FROM 'SELECT CHARSET(?)'; PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1'; PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2'; PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2'; PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1'; PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2'; PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1'; PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1'; PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?'; PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\''; SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 1 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 1 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') x����� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 x �� ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 2 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 2 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ��x��� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� x ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '���'; EXECUTE stmt1 USING @arg; ? ��� ��� ��� ��� ��� ��� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ���xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 3 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 3 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ��������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ����x EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ����� EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx�������� EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� �� x EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� DEALLOCATE PREPARE stmt1; DEALLOCATE PREPARE stmt2; DEALLOCATE PREPARE stmt3; DEALLOCATE PREPARE stmt4; DEALLOCATE PREPARE stmt5; DEALLOCATE PREPARE stmt6; DEALLOCATE PREPARE stmt7; DEALLOCATE PREPARE stmt8; DEALLOCATE PREPARE stmt9; DEALLOCATE PREPARE stmt10; DEALLOCATE PREPARE stmt11; DEALLOCATE PREPARE stmt12; DEALLOCATE PREPARE stmt13; DEALLOCATE PREPARE stmt14; DROP TABLE t1; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4; CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = MyISAM; CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = MyISAM; CREATE TABLE t3( `��` char(1), `��` char(1), `���` char(1) )DEFAULT CHARSET = ujis ENGINE = MyISAM; CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = MyISAM; INSERT INTO t1 VALUES ('xxx'); INSERT INTO t2 VALUES ('�������'); INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z'); INSERT INTO t4 VALUES ('��'),('��'),('���' ); PREPARE stmt1 FROM 'SELECT ? FROM t3'; PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?'; PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?'; PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)'; PREPARE stmt5 FROM 'SELECT CHARSET(?)'; PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1'; PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2'; PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2'; PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1'; PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2'; PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1'; PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1'; PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?'; PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\''; SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 1 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 1 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') x����� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 x �� ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 2 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 2 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ��x��� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� x ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '���'; EXECUTE stmt1 USING @arg; ? ��� ��� ��� ��� ��� ��� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ���xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 3 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 3 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ��������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ����x EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ����� EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx�������� EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� �� x EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� DEALLOCATE PREPARE stmt1; DEALLOCATE PREPARE stmt2; DEALLOCATE PREPARE stmt3; DEALLOCATE PREPARE stmt4; DEALLOCATE PREPARE stmt5; DEALLOCATE PREPARE stmt6; DEALLOCATE PREPARE stmt7; DEALLOCATE PREPARE stmt8; DEALLOCATE PREPARE stmt9; DEALLOCATE PREPARE stmt10; DEALLOCATE PREPARE stmt11; DEALLOCATE PREPARE stmt12; DEALLOCATE PREPARE stmt13; DEALLOCATE PREPARE stmt14; DROP TABLE t1; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4; CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = HEAP; CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = HEAP; CREATE TABLE t3( `��` char(1), `��` char(1), `���` char(1) )DEFAULT CHARSET = ujis ENGINE = HEAP; CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE =HEAP; INSERT INTO t1 VALUES ('xxx'); INSERT INTO t2 VALUES ('�������'); INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z'); INSERT INTO t4 VALUES ('��'),('��'),('���' ); PREPARE stmt1 FROM 'SELECT ? FROM t3'; PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?'; PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?'; PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)'; PREPARE stmt5 FROM 'SELECT CHARSET(?)'; PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1'; PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2'; PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2'; PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1'; PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2'; PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1'; PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1'; PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?'; PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\''; SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 1 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 1 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') x����� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 x �� ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 2 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 2 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ��x��� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� x ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '���'; EXECUTE stmt1 USING @arg; ? ��� ��� ��� ��� ��� ��� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ���xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 3 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 3 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ��������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ����x EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ����� EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx�������� EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� �� x EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� DEALLOCATE PREPARE stmt1; DEALLOCATE PREPARE stmt2; DEALLOCATE PREPARE stmt3; DEALLOCATE PREPARE stmt4; DEALLOCATE PREPARE stmt5; DEALLOCATE PREPARE stmt6; DEALLOCATE PREPARE stmt7; DEALLOCATE PREPARE stmt8; DEALLOCATE PREPARE stmt9; DEALLOCATE PREPARE stmt10; DEALLOCATE PREPARE stmt11; DEALLOCATE PREPARE stmt12; DEALLOCATE PREPARE stmt13; DEALLOCATE PREPARE stmt14; DROP TABLE t1; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4; CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = BDB; CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = BDB; CREATE TABLE t3( `��` char(1), `��` char(1), `���` char(1) )DEFAULT CHARSET = ujis ENGINE = BDB; CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = BDB; INSERT INTO t1 VALUES ('xxx'); INSERT INTO t2 VALUES ('�������'); INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z'); INSERT INTO t4 VALUES ('��'),('��'),('���' ); PREPARE stmt1 FROM 'SELECT ? FROM t3'; PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?'; PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?'; PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)'; PREPARE stmt5 FROM 'SELECT CHARSET(?)'; PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1'; PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2'; PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2'; PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1'; PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2'; PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1'; PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1'; PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?'; PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\''; SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 1 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 1 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') x����� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t3; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt14 USING @arg; SELECT * FROM t3; �� �� ��� x x x x x x y y y y y y z z z z z z SET @arg = '��'; EXECUTE stmt1 USING @arg; ? �� �� �� �� �� �� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ��xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 2 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 2 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ������������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ��x��� EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ������ EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx������������ EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� x ��� EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� SET @arg = '���'; EXECUTE stmt1 USING @arg; ? ��� ��� ��� ��� ��� ��� EXECUTE stmt2 USING @arg; �� �� ��� x x x x x x y y y y y y z z z z z z EXECUTE stmt3 USING @arg; COUNT(*) 6 EXECUTE stmt4 USING @arg; CHAR_LENGTH(?) 1 EXECUTE stmt5 USING @arg; CHARSET(?) ujis EXECUTE stmt6 USING @arg; INSERT(c1,1,1,?) ���xx EXECUTE stmt7 USING @arg; INSTR(c1,?) 3 EXECUTE stmt8 USING @arg; LOCATE(?,c1) 3 EXECUTE stmt9 USING @arg; LPAD(c1,9,?) ��������xxx EXECUTE stmt10 USING @arg; REPLACE(c1,?,'x') ����x EXECUTE stmt11 USING @arg; REPLACE(c1,'x',?) ����� EXECUTE stmt12 USING @arg; RPAD(c1,9,?) xxx�������� EXECUTE stmt13 USING @arg; SELECT * FROM t4; c1 �� �� x EXECUTE stmt14 USING @arg; SELECT * FROM t4; c1 �� �� ��� DEALLOCATE PREPARE stmt1; DEALLOCATE PREPARE stmt2; DEALLOCATE PREPARE stmt3; DEALLOCATE PREPARE stmt4; DEALLOCATE PREPARE stmt5; DEALLOCATE PREPARE stmt6; DEALLOCATE PREPARE stmt7; DEALLOCATE PREPARE stmt8; DEALLOCATE PREPARE stmt9; DEALLOCATE PREPARE stmt10; DEALLOCATE PREPARE stmt11; DEALLOCATE PREPARE stmt12; DEALLOCATE PREPARE stmt13; DEALLOCATE PREPARE stmt14; DROP TABLE t1; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4;