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