Oracle lock table

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
posted @ 2019-08-21 09:16  林文波  阅读(646)  评论(0)  编辑  收藏  举报