Oracle中查看引起Session阻塞的2个脚本分享

SQL> delete from test where object_id<10;

SQL> update test set flag='N' where object_id<10;

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.logon_time;

USERNAME                              SID    SERIAL# LOGON_TIME
------------------------------ ---------- ---------- --------------
LIHUILIN                               14         87 09-11月-13
LIHUILIN                              139        655 09-11月-13

select
(select username from v$session where sid=a.sid) blocker,
a.sid,' is blocking ',
(select username from v$session where sid=b.sid) blockee,
b.sid
from v$lock a,v$lock b
where a.block=1 and b.request>0 and a.id1=b.id1 and a.id2=b.id2;

BLOCKER                               SID 'ISBLOCKING'  BLOCKEE                               SID
------------------------------ ---------- ------------- ------------------------------ ----------
LIHUILIN                               14  is blocking  LIHUILIN                              139

select 'alter system kill session '''||sid||','||serial#||''';' cmd from v$session where username='LIHUILIN' and sid=14;

CMD
-----------------------------------------
alter system kill session '14,87';