show grants; Grants for root@localhost GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION GRANT PROXY ON ''@'' TO 'root'@'localhost' WITH GRANT OPTION grant usage on *.* to 'pfs_user_5'@localhost with GRANT OPTION; grant SELECT(thread_id, event_id) on performance_schema.events_waits_current to 'pfs_user_5'@localhost; grant UPDATE(enabled) on performance_schema.setup_instruments to 'pfs_user_5'@localhost; flush privileges; select thread_id from performance_schema.events_waits_current; select thread_id, event_id from performance_schema.events_waits_current; update performance_schema.setup_instruments set enabled='YES'; select event_name from performance_schema.events_waits_current; ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'events_waits_current' select thread_id, event_id, event_name from performance_schema.events_waits_current; ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'events_waits_current' update performance_schema.setup_instruments set name='illegal'; ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'name' in table 'setup_instruments' update performance_schema.setup_instruments set timed='NO'; ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'timed' in table 'setup_instruments' REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'pfs_user_5'@localhost; DROP USER 'pfs_user_5'@localhost; flush privileges; UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES'; UPDATE performance_schema.setup_consumers SET enabled = 'YES'; UPDATE performance_schema.setup_timers SET timer_name = 'CYCLE';