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So, it is true that SQL is a black box!!! <grin>

Cool solution, Sue.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Sue Romano
Sent: Wednesday, December 05, 2007 1:24 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: RE: Update the first 1500 records that need updating

FETCH FIRST N ROWS is only supported in the outer level of a query and
in a derived table, not in a subquery (which is where you are trying to
use it).
What you can do is push the clause one level deeper into a derived
table.

UPDATE FILEA F
SET FIELDA = 'N' where RRN(F) in
( SELECT R FROM
(
SELECT RRN(F) R from FILEA F where FIELDA='X'
Fetch first 1500 rows only
) X
)

This has been supported since V5R2.

Sue Romano
i5/OS SQL parser


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