MySQL的事物隔離級別
阿新 • • 發佈:2018-11-12
read uncommitted
read committed
repeatable read
serializable
查詢事物的隔離級別
SELECT @@GLOBAL.tx_isolation, @@tx_isolation;
SELECT @@tx_isolation;
設定事物的隔離級別
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
警惕 InnoDB 和 MyISAM 建立 Hash 索引陷阱