SHOW VARIABLES LIKE 'skip_name_resolve';
SHOW GLOBAL VARIABLES LIKE 'skip_name_resolve';
SHOW SESSION VARIABLES LIKE 'skip_name_resolve';

SELECT @@skip_name_resolve;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@LOCAL.skip_name_resolve;
SELECT @@GLOBAL.skip_name_resolve;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@skip_name_resolve=0;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@LOCAL.skip_name_resolve=0;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.skip_name_resolve=0;