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ORACLE ͨ¹ýÓαêʹÓÃÀ´Á˽âcursor µÄºÃ´¦£¡

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--ÓαêʹÓã¨ÓαêÆäʵÊÇÒ»¸ö·ÅÈëÄÚ´æÁÙʱ±í£©
declare
   money cms3_simcard.card_fee%type :=0; --¶¨ÒåÓë±í×Ö¶ÎÏàͬÀàÐÍ
   cursor mycursor is --¶¨ÒåÓαê
          select * from cms3_simcard
          where return_flag = 1 and msisdn like '138%';
   my_record mycursor%rowtype;  --¶¨ÒåÓαê¼Ç¼ÀàÐÍ
   Counter int :=0;
  
begin
   open mycursor;  --´ò¿ªÓαê
   if mycursor%isopen  then  --Åжϴò¿ª³É¹¦
   loop --Ñ­»·»ñÈ¡¼Ç¼¼¯
     fetch mycursor into my_record; --»ñÈ¡ÓαêÖеļǼ
         if mycursor%found then  --ÓαêµÄfoundÊôÐÔÅжÏÊÇ·ñÓмǼ
            dbms_output.put_line(my_record.card_fee);
         else
            exit;
         end if;
   end loop;
   else
     dbms_output.put_line('ÓαêûÓдò¿ª');
   end if;
  close mycursor;
end;


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Oracle 10G Êý¾Ý±Ãѧϰ¼ÍÒª£¨expdp/impdp£©

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impdp logfile=DUP_MCMDB.LOG network_link=to_crm_7 schemas=MCMDB  REMAP_TABLESPACE=table_space11:table_space12,table_space21:table_space22
    2¡¢Í¨¹ýDBLINKµÄ·½Ê½£º·½°¸£¨schemas£©²»Ò»Ñù
impdp logfile=DUP_MCMDB.LOG net ......

oracleÔÚHp unixÉϵÄ×Ô¶¯Æô¶¯

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¾­³£ÓÐÈË»áÐèÒªOracleÊý¾Ý¿âËæ×ŲÙ×÷ϵͳһÆðÆô¶¯ºÍ¹Ø±Õ£¬¶øÐÞ¸Ä/etc/oratab,ÉèÖÃÁËoracle SIDÐÐÆô¶¯ÎªYʱʵ¼ÊÉÏÊDz»ºÃÓõġ£±¾ÎÄÒÔÒ»¸öÀý×ÓÀ´Ê¾·¶ÈçºÎÈ¥×ö¡£
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    #!/bin/bash
    # incremental level 0 backup script
    source /home/oracle/.bash_profile
    current_day=`date +%Y%m%d`
    mkdir /home/ora ......

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È«±íɨÃè¾ÍÊÇ˳ÐòµØ·ÃÎʱíÖÐÿÌõ¼Ç¼. ORACLE²ÉÓÃÒ»´Î¶ÁÈë¶à¸öÊý¾Ý¿é(database block)µÄ·½Ê½ÓÅ»¯È«±íɨÃè.
b. ͨ¹ýROWID·ÃÎʱí
Äã¿ÉÒÔ²ÉÓûùÓÚROWIDµÄ·ÃÎÊ·½Ê½Çé¿ö,Ìá¸ß·ÃÎʱíµÄЧÂÊ, , ROWID°üº¬Á˱íÖмǼµ ......
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