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Some help with a sub-query
Message
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00637702
Message ID:
00637738
Views:
17
>Caroline,
>
>sorry, I should have read your message more carefully, to see what you mean exactly.
>
>How about this one:
>
>
>Select Exhibit.iid, Exhibit.nkey, Links.* ;
>
>  FROM Exhibit ;
>
>  LEFT JOIN Links ;
>  ON Exhibit.iid = Links.iwork ;
>
>  WHERE Links.itype in (1,0) OR Links.itype IS NULL ;
>  GROUP BY Exhibit.iid, links.iwork;
>  INTO CURSOR Linked
>
>
>Here we get ...
>- all records from exhibit joined with all records from links which are of type 1 or 0 and all records from exhibit that don't have a record in links.
>- then group the result, so we get a resulting record per exhibit.iid/links.iwork
>
>Am I getting closer to what you want or am I still missing something?
>
>Armin

Thanks Armin that seems to do what I wanted.

Would you know if there is a way to force the group by to return say records of type 1 if the pre Group By result holds both a type 1 and a type 0?
Caroline
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