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select @@global.log_bin;
@@global.log_bin
0
select @@session.log_bin;
ERROR HY000: Variable 'log_bin' is a GLOBAL variable
show global variables like 'log_bin';
Variable_name Value
log_bin OFF
show session variables like 'log_bin';
Variable_name Value
log_bin OFF
select * from information_schema.global_variables where variable_name='log_bin';
VARIABLE_NAME VARIABLE_VALUE
LOG_BIN OFF
select * from information_schema.session_variables where variable_name='log_bin';
VARIABLE_NAME VARIABLE_VALUE
LOG_BIN OFF
set global log_bin=1;
ERROR HY000: Variable 'log_bin' is a read only variable
set session log_bin=1;
ERROR HY000: Variable 'log_bin' is a read only variable
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