摘要： //用dba权限查出被锁的用户以及进程select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logo 阅读全文

摘要： oracle 树形结构经常要通过parent_id生成parent_ids(当前节点路径) //根据parent_id生成parent_ids update set parent_ids = ( SELECT parent_ids from ( SELECT tt.id, TRIM(LEADING 阅读全文