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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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select count(*) from t1;
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¢Ù Ö»ÐèÔÚÎļþ TNSNames.ora ÖмÓÈëÒÔϽڵ㣬¼´¿É³É¹¦ÅäÖüàÌý
ORCL190 =  //ºìÉ«²¿ÃÅΪÁ¬½Ó¼àÌýÃû×Ö
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.190)(PORT = 1521))  //ºìÉ«²¿ÃÅΪ·þÎñÆ÷ËùÔÚIPµØÖ· 1521Ϊ¶Ë¿ÚºÅ
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SQL Server¿ª·¢ÕßOracle¿ìËÙÈëÃÅ http://kb.cnblogs.com/a/853694 ¼òµ¥¸ÅÄîµÄ½éÉÜ 1. Á¬½ÓÊý¾Ý¿â
S:    use mydatabase
O:    connect username/password@DBAlias
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