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Message Posted: Mon, 08 Feb 2010 @ 15:44:34 GMT


     
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Subj:   Help in joining tables
 
From:   Jagadish Chandu Kotagiri

i have two tables TableA and TableB, on the same server but different databases.

the structure of TableA is as follows,

     Customer -- Manager
     Amr-- bOb
     Brz-- steve
     geb-- smith
     jfk-- ny

The structure of TableB is as follows

     Division -- Managerno
     a123-- u5434
     B234-- u5645
     g312-- u6786
     j765-- u5498

I have to join TableA.Customer on TableB.Division

The customer 'Amr' in TableA is referenced as Division 'a123' in TableB. however there is no table which provides this crosswalk information.

The crosswalk info is as follows,

     TableA.Customer -> TableB.Division
     Amr -> a123
     Brz -> B234
     geb -> g312
     jfk -> j765

my output should be

     customer -- manager -- managerno
     Amr -- bob --u5434
     Brz -- Steve -- u5645
     geb -- smith -- u6786
     jfk -- ny -- u5498

How can we perform this join? Will a case statement be useful? If yes, can someone revert by a sample join statement.

Thanks in Advance,


Regards,

JK



     
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