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select i.sid,i.sname,i.birthday,i.schooltime,i.sphone,c.classname,a.assnname,sum(decode(subject,'ÓïÎÄ',s.score,0)) as chin,
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[oracle@wuzj ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Thu Feb 26 12:06:29 2009
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
SQL> conn /as sysdba
Connected.
//²é¿´Óû§
SQL> select username,password from dba_users;
......

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alter tablespace testts offline;
2. rename Ô­ÓеÄdatafileÖ¸Ïòеķ¾¶
#cp /opt/oracle/orad ......

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create table TN_TEST(
       username varchar2(32),
       userpass varchar2(32),
       version  number
)
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TN_TEST±íÖÐ×Ö¶Îversion
ÿ´ÎÐÞ¸ÄTN_TEST±íÔò½²version×Ô¶¯¼ÓÒ»
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