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You should be able to just reverse the logic on the exists predicate as your update didn't change any of the values used in the subquery predicates.:

Exec Sql
Select * from RoutMaxl1 as a
Where not exists
(select 1 from xRouteMax as b
where a.mxplan = b.mxplan and
a.mxdiv = b.mxdiv and
a.mxins = b.mxins and
a.mxben = b.mxben and
a.mxppo = b.mxppo and
a.mxtfrm = 'V' and
a.mxtdt = 0);

Note I changed the correlated subquery column list to 1 instead of *. It'll be a little quicker with no change in logic.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of rpglist@xxxxxxxxxxx
Sent: Friday, December 07, 2012 9:22 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Need some assistance with an SQL query

I have two files, one is a work file with 991 records and the other is a production (Test Environment) file with 22 mil. I am updating the production records that match to records in the work file.

Here is my sql statement:
Exec Sql
Update RoutMaxl1 as a
Set a.mxUdt = :xDate,
a.mxUtm = :xTime,
a.mxUop = 'CPP989825645KY',
a.mxCpdy = 'Y',
a.mxUty = 'C'
Where exists
(select * from xRouteMax as b
where a.mxplan = b.mxplan and
a.mxdiv = b.mxdiv and
a.mxins = b.mxins and
a.mxben = b.mxben and
a.mxppo = b.mxppo and
a.mxtfrm = 'V' and
a.mxtdt = 0);

The statement runs fine but I only update 980 records, which means that I have 11 records in table A (xRouteMax) that do not exist in table B.

Suggestion on how to get a list of those records? I just want the 11.





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