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