yanghedalian的专栏

select * from user_recyclebinflashback table test1 to before drop

① 查看用户锁表select sess.sid, sess.serial#, lo.oracle_username, lo.os_user_name, ao.object_name, lo.locked_mode from v$locked_object lo, dba_objects ao, v$session sess where ao.object_id = lo.ob...