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DB2 Query To Change the order of rows

 
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manasa paduru
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Joined: 20 Jul 2007
Posts: 2
Topics: 2
PostPosted: Thu Jan 06, 2011 8:42 am    Post subject: DB2 Query To Change the order of rows Reply with quote
1) I have a table ABCD where, when I give select, I get the following output
Code:

  RECTY
  ======
  A0100
  A0101
  A0102
  A0103
  A0104
  Z0105
  Z0106
  B0107
  B0108
  B0109
  B0110

We need the output to be in the order of
Code:

  Z0105
  Z0106
  A0100
  A0101
  A0102
  A0103
  A0104
  B0107
  B0108
  B0109
  B0110
 

Please provide a select statement which would result in the above output.

Canyou please help me.
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12381
Topics: 75
Location: San Jose
PostPosted: Thu Jan 06, 2011 11:57 am    Post subject: Reply with quote
manasa paduru,


Please post your queries to the right section. DB2 questions should be posted in DATABASE section. If these questions are part of interview then please post the questions in the Interview Q & A forum at the bottom.

Untested SQL

Code:

SELECT RECTY                                   
  FROM ABCD
 ORDER BY CASE WHEN SUBSTR(RECTY,1,1) = 'Z'   
               THEN ' ' || SUBSTR(RECTY,2,4)   
               ELSE RECTY END                 
               ;               


Kolusu
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