SET @start_global_value = @@session.gtid_next; SELECT @start_global_value; @start_global_value AUTOMATIC select @@global.gtid_next; ERROR HY000: Variable 'gtid_next' is a SESSION variable select @@session.gtid_next; @@session.gtid_next AUTOMATIC show global variables like 'gtid_next'; Variable_name Value show session variables like 'gtid_next'; Variable_name Value gtid_next AUTOMATIC select * from information_schema.global_variables where variable_name='gtid_next'; VARIABLE_NAME VARIABLE_VALUE select * from information_schema.session_variables where variable_name='gtid_next'; VARIABLE_NAME VARIABLE_VALUE GTID_NEXT AUTOMATIC set global gtid_next = 1; ERROR HY000: Variable 'gtid_next' is a SESSION variable and can't be used with SET GLOBAL set session gtid_next = "ANONYMOUS"; select @@session.gtid_next; @@session.gtid_next ANONYMOUS set session gtid_next = @start_global_value; select @@session.gtid_next; @@session.gtid_next AUTOMATIC