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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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Oracle waits event:DB File Sequential Read

The DB File Sequential Read wait event generally indicates a single block read (an index read,
for example). A large number could indicate poor joining orders of tables or unselective indexing.
This number will certainly be large (normally) for a high-transaction, well-tuned system. You ......

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    Navicat for xxx ÊÇÒ»¸öÓÅÐãµÄÊý¾Ý¿â¹ÜÀí¿Í»§¶Ë£¬ÓÐ MySQL¡¢Oracle µÈ°æ±¾¡£½¨Òé´ó¼Ò×îºÃÓà Enterprise °æ±¾£¬¹¦ÄÜÈ«ÃæÒ»Ð©£¬µ«½ÏÖ®ÓÚÃâ·ÑµÄ Lite °æ£¬ÆóÒµ°æ¿ÉÊÇÒª»¨Òø×ÓÂòµÄ¡£
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