SET @start_global_value = @@global.sql_log_update; SELECT @start_global_value; @start_global_value 1 select @@global.sql_log_update; @@global.sql_log_update 1 select @@session.sql_log_update; @@session.sql_log_update 1 show global variables like 'sql_log_update'; Variable_name Value sql_log_update ON show session variables like 'sql_log_update'; Variable_name Value sql_log_update ON select * from information_schema.global_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE ON select * from information_schema.session_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE ON set global sql_log_update=1; Warnings: Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored. This option will be removed in MySQL 5.6. set session sql_log_update=ON; Warnings: Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored. This option will be removed in MySQL 5.6. select @@global.sql_log_update; @@global.sql_log_update 1 select @@session.sql_log_update; @@session.sql_log_update 1 show global variables like 'sql_log_update'; Variable_name Value sql_log_update ON show session variables like 'sql_log_update'; Variable_name Value sql_log_update ON select * from information_schema.global_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE ON select * from information_schema.session_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE ON set global sql_log_update=0; Warnings: Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored. This option will be removed in MySQL 5.6. set session sql_log_update=OFF; Warnings: Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored. This option will be removed in MySQL 5.6. select @@global.sql_log_update; @@global.sql_log_update 0 select @@session.sql_log_update; @@session.sql_log_update 0 show global variables like 'sql_log_update'; Variable_name Value sql_log_update OFF show session variables like 'sql_log_update'; Variable_name Value sql_log_update OFF select * from information_schema.global_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE OFF select * from information_schema.session_variables where variable_name='sql_log_update'; VARIABLE_NAME VARIABLE_VALUE SQL_LOG_UPDATE OFF set global sql_log_update=1.1; ERROR 42000: Incorrect argument type to variable 'sql_log_update' set global sql_log_update=1e1; ERROR 42000: Incorrect argument type to variable 'sql_log_update' set global sql_log_update="foo"; ERROR 42000: Variable 'sql_log_update' can't be set to the value of 'foo' SET @@global.sql_log_update = @start_global_value; Warnings: Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored. This option will be removed in MySQL 5.6. SELECT @@global.sql_log_update; @@global.sql_log_update 1