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Message Posted: Wed, 29 Apr 2009 @ 20:30:52 GMT

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Subj:   Update / case statement
From:   Anomy Anom

<-- Anonymously Posted: Wednesday, April 29, 2009 16:25 -->


I need to update a teradata table, but the following statement fails:

     update table_A
     set table_A.column1 = case when  table_A.column2=table_B.column2
                                             and  table_A.column2=table_C.column2
                                                 and table_C.column3=table_D.column3
                                                 then (case when  table_B.column4 = '1'
                                                                  and table_C.column4 = '2
                                                                      then   Y
                                                             else   N

Your help would be greatly appreciated.

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