事物處理——MySQLpian

– 查看mysql數據庫得隔離級別
SELECT @@GLOBAL.tx_isolation, @@tx_isolation;

– 修改當前域數據庫得隔離級別
– 可以讀到未提交得數據
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;

數據庫開啓事務:

START TRANSACTION;

SELECT * FROM t_user;

SELECT * FROM t_user where username = ‘SuperMan’;

COMMIT;