oracle死鎖查詢
select /*+ NO_MERGE(a) NO_MERGE(b) NO_MERGE(c) */ 'Wait' "Status", a.username, a.machine, a.sid, a.serial#, a.last_call_et "Seconds", b.id1
from v$session a, v$lock b
where a.username is not null
and a.lockwait = b.kaddr
union
select /*+ NO_MERGE(a) NO_MERGE(b) NO_MERGE(c) */ 'Lock' "Status", a.username, a.machine, a.sid, a.serial#, a.last_call_et "Seconds", b.id1
from v$session a, v$lock b
where b.id1 in
(select /*+ NO_MERGE(d) NO_MERGE(e) */ distinct e.id1
from v$session d, v$lock e
where d.lockwait = e.kaddr)
and a.username is not null
and a.sid = b.sid
and b.request=0
--alter system kill session 'sid, serial#';
select t2.username,t2.sid,t2.serial#,t2.logon_time,t1.locked_mode,t2.logon_time
from v$locked_object t1,v$session t2
where t1.session_id=t2.sid
order by t2.logon_time
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