Oracle中顯示阻塞樹的SQL

ljm0211發表於2012-07-02
OracleSQL
select /*+ rule */ lpad('--',decode(b.block,1,0,4))||s.username user_name,
b.type,o.owner||'.'||o.object_name object_name,
s.sid,s.serial#,decode(b.REQUEST,0,'BLOCKED','WAITING') status
FROM dba_objects o,v$session s,v$lock v,v$lock b
where v.ID1=o.object_id and v.SID=s.sid
and v.SID=b.SID and (b.BLOCK=1 or b.REQUEST>0)
and v.TYPE='TM'
order by b.ID2,v.ID1,user_name desc;

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