RE: SQL delete not in related table

["Colin Williams" <colin.williams@xxxxxxxxxxxx>]

Jeff,

Try 

DELETE FROM PODTL WHERE VNDNR||WEEKX ||DIGIT NOT IN(SELECT
VNDNR||WEEKX||DIGIT FROM POHDR)

Cheers
Colin.W

http://as400blog.blogspot.com

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Crosby
Sent: 17 June 2005 15:48
To: 'Midrange Systems Technical Discussion'
Subject: RE: SQL delete not in related table


> I don't think you can compare three fields like that.  Try
> concatenating them all into one field in both the where and 
> the select.

Well I just learn more all the time.  The following worked:

DELETE FROM PODTL WHERE CONCAT(VNDNR, CONCAT(WEEKX, DIGIT)) 
          NOT IN SELECT CONCAT(VNDNR, CONCAT(WEEKX, DIGIT))      
          FROM POHDR);                                     

I discovered that you can only CONCAT 2 fields at a time.  It seems
interesting that as flexible and powerful is starting to appear to me,
that it would have such a restriction.  Guess RPG isn't the only
language with weird ones. <g>