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You could try DISTINCT on the sub-select to get only 1 returned. But, I don't think that will change your results.
Why don't you just have:
SELECT DISTINCT * FROM table1 WHERE invoice IN (SELECT invoice FROM table2)
Or, am I misunderstanding something?
-Jim
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Darryl Freinkel
Sent: Friday, January 07, 2011 11:37 AM
To: midrange-l@xxxxxxxxxxxx
Subject: How to limit rows read to 1 rows
I have a SELECT statement that returns more than 1 record for a invoice. The
file can have 1 to many invoice records with the same invoice number.
I need a way to limit the select, to read only one of those invoice records.
There is a solution using LIMIT, but I cannot get that to work.
Example:
Select * from table1 T1 where T1.INVOICE in
(Select T2.Invoice from table2 T2 where T1.Invoice = T2.invoice LIMIT 1)
TIA
Darryl Freinkel
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