Mysql事务四大隔离级别通俗分析总结

通俗易懂的事务隔离级别分析实验总结，请移驾 http://www.zsythink.net/archives/1233/ 。

 

事务的隔离级别	脏读	不可重复读	幻读
read uncommitted	√	√	√
read committed	×	√	√
repeatable read	×	×	√
serializable	×	×	×

mysql中默认 第三个隔离级别 repeatable read
oracle中默认第二个隔离级别 read committed