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Re: Strange Data issue.....

From: Tim Gorman <Tim_at_SageLogix.com>
Date: Thu, 22 Aug 2002 19:38:29 -0800
Message-ID: <F001.004BDD7D.20020822193829@fatcity.com>


Strange Data issue.....Converting to ASCII using the "ASCII()" function will not do any good. Try the DUMP() function on the columns:   select race||'('||dump(race)||'),'||gender||'('||dump(gender)||'),'||count(*)   from pers
  group by race||'('||dump(race)||'),'||gender||'('||dump(gender)||')'; ...I'll bet DUMP(GENDER) shows a different length with extra characters for some rows...

  Denham,

  Your "group by" does not match what you are selecting, thus the results are wrong.

  Change your query as follows:

     select race||','||gender,count(*) 
          from pers 
          group by race||','||gender

  Hope this helps.

  Tom Mercadante
  Oracle Certified Professional

    -----Original Message-----
    From: Denham Eva [mailto:EvaD_at_tfmc.co.za]     Sent: Thursday, August 22, 2002 8:59 AM     To: Multiple recipients of list ORACLE-L     Subject: Strange Data issue.....

    Hello Gurus,

    I have a problem which I hope someone can help me with.     I am trying to clean up some data on a table. This table happens to be a personnel table.     In this table there are two columns RACE and GENDER.     The select used is :

       select race||','||gender||','||count(*) 
            from pers 
            group by race, gender; 

    The result is as follows:
    A,F,62 
    A,M,613 
    A,M,35 
    A,,15 
    C,F,34 
    C,M,198 
    C,M,4 
    C,,2 
    I,F,13 
    I,M,69 
    I,M,1 
    W,F,205 
    W,M,972 
    W,M,28 
    W,,15 

    The problem is that the result returns double Ms, M indicating Male. As highligthed above     I have tried converting to ascii to see if they are different in anyway but both Ms return ascii 77.     Does anyone have any thoughts on this?

    TIA
    Denham Eva
    Oracle DBA
    In UNIX Land
    On a quiet Night, you can hear the Windows machines reboot.


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Author: Tim Gorman
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Received on Thu Aug 22 2002 - 22:38:29 CDT

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