Posted by Erland Sommarskog on 01/13/06 00:48

(doar123@gmail.com) writes:
> This is my basic sql shape query:
> ------------------------------------------------------------
> SHAPE {select * from tbl1}
> APPEND({SELECT * FROM tbl2 where field1=1} AS RS2 RELATE field TO
> field)
> ------------------------------------------------------------
>
> With this query i get a RecordSet (RS1), who handle all the records
> from table tbl1, and a secondary RecordSet (RS2) who handle all the
> records from table tbl2, who applies to the criteria that field1=1.
>
> It is possible that RS2 will be empty (zero records) since there is no
> record in tbl2 who applies to that criteria.
>
> My wish is to design a query, that will collect only the records from
> tbl1, that will have records from tbl2 who applies to the criteria -
> that RS2 won't be empty !
>
> I want to influence on the main part of the query (RS1), through the
> criteria that is being used in the secondery query (RS2).
>
> I hope that my question is clear enough. thanks !

If I get this right you want this in the SHAPE part:

SELECT * FROM tbl1
WHERE EXISTS (SELECT * FROM tbl2 WHERE tbl2.field = tbl1.fiedl)

--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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