RE: Left join question (was: SQL table joins: Join vs. Where)

[CWilt@xxxxxxxxxxxx]

ifnull is just another name for coalesce.

You do have the SQL reference handy don't you?

http://publib.boulder.ibm.com/iseries/v5r2/ic2924/info/db2/rbafzmst.pdf

Charles


> -----Original Message-----
> From: Dan Bale [mailto:dbale@xxxxxxxxxxxxx]
> Sent: Thursday, August 12, 2004 11:56 AM
> To: Midrange Systems Technical Discussion
> Subject: RE: Left join question (was: SQL table joins: Join vs. Where)
> 
> 
> > -----Original Message-----
> > From: midrange-l-bounces@xxxxxxxxxxxx / Goodbar, Loyd
> > Sent: Thursday, August 12, 2004 9:19 AM
> >
> > Where you have T04.CUSNM in your SELECT ALL, you could substitute:
> >
> > Coalesce(T04.CUSNM, '* Customer ' concat trim(T01.CUNOCV) 
> concat ' not
> > found. *')
> >
> > This will show you the missing customers when you change to your
> > left join.
> 
> Coalesce is a beautiful thing!  Thanks Loyd!  (And Wayne; 
> I'll have to learn
> more about ifnull)
> 
> db
> 
> --
> This is the Midrange Systems Technical Discussion 
> (MIDRANGE-L) mailing list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>