SET @start_global_value = @@global.log_disabled_statements; select @@global.log_disabled_statements; @@global.log_disabled_statements sp select @@session.log_disabled_statements; @@session.log_disabled_statements sp show global variables like 'log_disabled_statements'; Variable_name Value log_disabled_statements sp show session variables like 'log_disabled_statements'; Variable_name Value log_disabled_statements sp select * from information_schema.global_variables where variable_name='log_disabled_statements'; VARIABLE_NAME VARIABLE_VALUE LOG_DISABLED_STATEMENTS sp select * from information_schema.session_variables where variable_name='log_disabled_statements'; VARIABLE_NAME VARIABLE_VALUE LOG_DISABLED_STATEMENTS sp set global log_disabled_statements=1; select @@global.log_disabled_statements; @@global.log_disabled_statements slave set session log_disabled_statements=1; select @@session.log_disabled_statements; @@session.log_disabled_statements slave set session log_disabled_statements=1; select @@session.log_disabled_statements; @@session.log_disabled_statements slave set session log_disabled_statements=2; select @@session.log_disabled_statements; @@session.log_disabled_statements sp set session log_disabled_statements='slave'; select @@session.log_disabled_statements; @@session.log_disabled_statements slave set session log_disabled_statements='sp'; select @@session.log_disabled_statements; @@session.log_disabled_statements sp set session log_disabled_statements='slave,sp'; select @@session.log_disabled_statements; @@session.log_disabled_statements slave,sp set session log_disabled_statements=''; select @@session.log_disabled_statements; @@session.log_disabled_statements set session log_disabled_statements=1.1; ERROR 42000: Incorrect argument type to variable 'log_disabled_statements' set session log_disabled_statements=1e1; ERROR 42000: Incorrect argument type to variable 'log_disabled_statements' set session log_disabled_statements="foo"; ERROR 42000: Variable 'log_disabled_statements' can't be set to the value of 'foo' set session log_disabled_statements=1024; ERROR 42000: Variable 'log_disabled_statements' can't be set to the value of '1024' SET @@global.log_disabled_statements = @start_global_value;