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1.ÊÚȨ
¶Ô¾ßÌåʹÓÃÈ«ÎļìË÷µÄÓû§ÊÚȨ.
$ sqlplus "/ as sysdba"
SQL*Plus: Release 9.2.0.4.0 - Production on Sun May 15 20:00:10 2005
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - 64bit Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.4.0 - Production
SQL> grant ctxapp to club; //¿ª·ÅÊý¾Ý¿â½¨Á¢È«ÎļìË÷ȨÏÞ
Grant succeeded.
SQL> connect ctxsys/password
Connected.
SQL> grant execute on ctx_ddl to club;
Grant succeeded.
2.ʹÓÃÓ¦ÓÃÓû§Á¬½Ó
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SQL> connect club/password
Connected.
SQL> begin ctx_ddl.create_preference('club_lexer','chinese_vgram_lexer'); end;
2 /
PL/SQL procedure successfully completed. //¶¨ÖÆÖÐÎÄ·ÖÎöÆ÷¡£ÁíÒ»¸ö·ÖÎöÆ÷½Ð×öchinese_lexer¡£
Elapsed: 00:00:00.03
SQL> create index id_cont_msg
2 on jivemessage ( SUBJECT ) indextype is ctxsys.context parameters('lexer club_lexer');
Index created.
Elapsed: 00:01:22.42
SQL> select count(*) from jivemessage where contains(subject,'ÐÒ¸£')>0;
COUNT(*)
----------
1847
Elapsed: 00:00:00.17
SQL> select count(*) from jivemessage where subject like '%ÐÒ¸£%';
COUNT(*)
----------
1841
Elapsed: 00:00:02.89
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