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1.²é¿´Äĸö±í±»Ëø:
select b.owner,b.object_name,l.session_id,l.locked_mode
from v$locked_object l, dba_objects b
where b.object_id=l.object_id;
2.²é¿´±»Ëø±íµÄsid ºÍserial# :
select t2.username,t2.sid,t2.serial#,t2.logon_time
from v$locked_object t1,v$session t2
where t1.session_id=t2.sid order by t2.logon_time;
3.Ö´ÐÐÏÂÃæµÄÓï¾ä:
alter system kill session 'sid,serial#';
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The DB File Scattered Read wait event generally indicates waits related to full table scans or fast
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buffer cache, since it is usually unlikely that they fall into contiguous buffers. A large numb ......
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Wait Problem Potential Fix Sequential Read Indicates many index reads—tune the code (especially joins) Scattered Read Indicates many full table scans—tune the code; cache small tables ......
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