[AccessD] Number of 'OR's in queries - what's the limit?

Dan Waters dwaters at usinternet.com
Tue Jul 24 12:31:31 CDT 2007


That's a good plan!  I was hoping to do a customer update within the next
half hour though.

I was hoping that someone had seen some documentation on this.  The number
40 was documented 'somewhere' in Access help.

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby
Sent: Tuesday, July 24, 2007 12:13 PM
To: 'Access Developers discussion and problem solving'
Subject: Re: [AccessD] Number of 'OR's in queries - what's the limit?

You could reasonably quickly set up a test to find out by building a dynamic
query, a string such as select PKID from tblX where (PKID=1 or PKID=2
or...).  Add 10 (or 100) at a time and see how far you get.


John W. Colby
Colby Consulting
www.ColbyConsulting.com 
-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Dan Waters
Sent: Tuesday, July 24, 2007 1:02 PM
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] Number of 'OR's in queries - what's the limit?

In Access 97, there was a limit of 40 OR words in a query.  There is a limit
in Access 2003, it's >250, but I don't know what it actually is.

Does anyone know?

Thanks!
Dan



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