摘要：--查询所有用户调度作业：select * from ALL_SCHEDULER_JOBS; --查询当前用户调度作业：select * from USER_SCHEDULER_JOBS; --查询当前用户定时任务表select * from user_jobs; --查询所有用户定时任务表sele 阅读全文

摘要：--共享锁：Share；排他锁：Exclusive；行共享锁：Row-S；行排他锁：Row-X select V$SESSION.sid,v$session.SERIAL#,v$process.spid, rtrim(object_type) object_type,rtrim(owner) || 阅读全文

摘要：SQL 错误: ORA-01591: 锁被未决分布式事务处理 7.2.428982 持有 01591. 00000 - "lock held by in-doubt distributed transaction %s" *Cause: Trying to access resource that 阅读全文