摘要: 1. DML LOCK 2. DDL LOCK 3. INTERNAL 锁 sql 允许的锁 0 select * from tab; RS RX S SRX X 1 row share (RS) select * from tab for insert RS RX S SRX lock tab x 阅读全文
posted @ 2019-08-21 09:16 林文波 阅读(648) 评论(0) 推荐(0) 编辑