程序调试过程中因SQL查询使用了select from for update nowait对表中记录上锁,机器蓝屏导致数库锁没有释放;
ORACLE中查询被锁定的表,以及如何解锁
--查询被锁的表 select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id; --查看是哪个session引起的 select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time; --杀掉对应进程即解锁 alter system kill session'13,2066' --其中13是sid 2066是serial#