摘要: 聊事务隔离级别和锁问题之前首先得理解事务的隔离级别和共享锁及独占锁的概念: 事务的隔离级别: 脏读 不可重复读 幻读 Read uncommitted √ √ √ Read committed × √ √ Repeatable read × × √ Serializable × × × 独占锁(X锁 阅读全文
posted @ 2020-10-19 11:33 wuzhiyuan 阅读(291) 评论(0) 推荐(0) 编辑