- 事务隔离级别
- √为已解决
事务级别 | 脏读 | 不可重复读 | 幻读 |
---|---|---|---|
read uncommitted:读未提交 | × | × | × |
read committed:读已提交 | √ | × | × |
repeatable read:可重复读 | √ | √ | × |
serializable:串行化 | √ | √ | √ |
- 查看隔离级别
select @@tx_isolation;
- 设置隔离级别
SET SESSION TRANSACTION ISOLATION LEVEL 隔离级别;
事务级别 | 脏读 | 不可重复读 | 幻读 |
---|---|---|---|
read uncommitted:读未提交 | × | × | × |
read committed:读已提交 | √ | × | × |
repeatable read:可重复读 | √ | √ | × |
serializable:串行化 | √ | √ | √ |
select @@tx_isolation;
SET SESSION TRANSACTION ISOLATION LEVEL 隔离级别;