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  select * from (
  select cw2.NO WHOLENO,sp1.ARGUMENTNAME TYPENAME,sp2.ARGUMENTNAME BRANDNAME,sp3.ARGUMENTNAME STYLENAME,sp4.ARGUMENTNAME DEPART,so.OPERATORNAME USERNAME
  from COM_WHOLE_INFO cw2,SYS_OPERATOR so, SYS_PUBLICARGUMENT sp1, SYS_PUBLICARGUMENT sp2, SYS_PUBLICARGUMENT sp3, SYS_PUBLICARGUMENT sp4
  where cw2.C_CURDEPTNO='00020104' and cw2.C_TYPE=sp1.ARGUMENTID(+) and cw2.C_BRAND=sp2.ARGUMENTID(+)
  and cw2.C_STYLE=sp3.ARGUMENTID(+) and cw2.C_URUSER=so.OPERATORID(+) and cw2.C_CURDEPTNO=sp4.ARGUMENTID(+)) cc
  full join  (select * from COM_INVENTORY ci2 where ci2.parent='6') tab1 on tab1.no=cc.WHOLENO


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  ¶ÔÓÚ Oracle µÄ rownum ÎÊÌ⣬ºÜ¶à×ÊÁ϶¼Ëµ²»Ö§³Ö>,>=,=,between...and£¬Ö»ÄÜÓÃÒÔÉÏ·ûºÅ(<¡¢<=¡¢!=)£¬²¢·Ç˵ÓÃ>,>=,=,between..and ʱ»áÌáʾSQLÓï·¨´íÎ󣬶øÊǾ­³£ÊDz鲻³öÒ»Ìõ¼Ç¼À´£¬»¹»á³öÏÖËƺõÊÇĪÃûÆäÃîµÄ½á¹ûÀ´£¬ÆäʵÄúÖ»ÒªÀí½âºÃÁËÕâ¸ö rownum αÁеÄÒâÒå¾Í²»Ó¦¸Ã¸Ðµ½¾ªÆ棬ͬÑùÊÇαÁУ¬r ......

Oracle ×Ö·û´®³¤¶Èº¯Êý


LENGTH calculates length using characters as defined by the input character set. 
LENGTHB uses bytes instead of characters. 
VSIZE returns the number of bytes in the internal representation of expr.
LENGTHC uses Unicode complete characters. 
LENGTH2 uses UCS2 codepoints. 
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¡¡¡¡SELECT ROWID, last_name from hr.employees WHERE department_id = 20;
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¡¡¡¡OOOOOO£ºdata object number, ¶ÔÓ¦dba_objects.data_object_id
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Oracle 10G DataGuard

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Oracle 10G DataGuard
server A: 10.85.10.44 SID=mesdb
target server B: 10.85.10.43
oracle version:10.2.0.1
OS platform : windows 2003
Data GuardĬÈÏÊÇmaximize performance£¬ ¿ÉÒÔÓÃÒÔÏÂÓï¾äÀ´½øÐÐģʽ¼äµÄÇл»¡£
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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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