select * from performance_schema.socket_summary_by_instance limit 1; select * from performance_schema.socket_summary_by_instance where object_instance_begin='FOO'; insert into performance_schema.socket_summary_by_instance set object_instance_begin=1, count_star=1, sum_timer_wait=2, min_timer_wait=3, avg_timer_wait=4, max_timer_wait=5; ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' update performance_schema.socket_summary_by_instance set count_star=12; ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' update performance_schema.socket_summary_by_instance set count_star=12 where object_instance_begin like "FOO"; ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' delete from performance_schema.socket_summary_by_instance where count_star=1; ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' delete from performance_schema.socket_summary_by_instance; ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' LOCK TABLES performance_schema.socket_summary_by_instance READ; ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' UNLOCK TABLES; LOCK TABLES performance_schema.socket_summary_by_instance WRITE; ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'socket_summary_by_instance' UNLOCK TABLES;