MySQL read / write lock

 establish mylock surface 
CREATE TABLE `mylock` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(20) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;
【 Add meter lock by hand 】 lock table  Table name 1 read(write), Table name 2 read(write), Other ;
【 View the lock added to the table 】  show open tables; 
【 Release the watch lock 】unlock tables;