Re: Embedded SQL, first steps

Try this web site
http://www.itjungle.com/fhg/fhg020404-story02.html



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx

midrange-l-bounces@xxxxxxxxxxxx wrote on 09/28/2006 01:16:36 PM:

Adam Glauser wrote:

My question is this: is there a way to determine the number
of rows selected?

Al Mac wrote:

In embedded SQL, and other SQL/400 for that matter, you can get a

COUNT(*) of some record selection
which tells you HOW MANY records (rows)
were involved in whatever you were doing.

Al -
Am I correct that you mean I would first do my "SELECT field1, field2"
query, then do a "SELECT COUNT(*)" query with the same WHERE/GROUP BY/
HAVING?  I was hoping there would be some sort of count in the data
structures returned by the DBMS.  Is there significant processing

involved

with doing the COUNT(*) query, or does the DBMS somehow cache the results

from the initial SELECT?

Thanks for the tip,
Adam

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