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Nested Join
Message
From
25/01/2013 20:01:54
 
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Title:
Miscellaneous
Thread ID:
01564181
Message ID:
01564184
Views:
54
>I have following Nested Join whcih works fine:
>
>SELECT Bal_Link, Bal_Linkb, Bal_Val ;
> FROM TableA ;
> WHERE Bal_link IN ;
> (Select Bal_link FROM TableA WHERE BAL_LINKB = X)
>
>
>I now want to Do an Inner Join of the Above result with another Table,all incorporated into the one Select Command
>I.e. I'll end up I think with Two Nested Joins
>
>Anyone know if this is possible ?
>
>Tia
>Gerard
How about.....
SELECT othertable.*,firstjoin.bal_link,firstjoin.bal_linb,firstjoin.bal_val;
  FROM othertable;
    JOIN (SELECT Bal_Link, Bal_Linkb, Bal_Val ;
               FROM TableA  ;
                 WHERE Bal_link IN ;
                (Select Bal_link FROM TableA WHERE BAL_LINKB = X) ) firstjoin;
        ON othertable.keyfield = firstjoin.keyfield
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