[AccessD] Mysterious Data Problem

Rocky Smolin rockysmolin at bchacc.com
Sat Oct 3 10:57:42 CDT 2009


Dear List:

In the Containers Table a container that has a TruckID in the truck field
indicates that that container is already in a shipment. So the list of
containers available for shipping is based on a query which looks for
containers in which the TruckID filed is null. When I ran that query 10
containers which were already in a shipment showed up in the query for
unshipped containers anyway even though the field TruckID was obviously NOT
null. 

I opened the back end did a compact and repair and that seems to have fixed
the problem. But I don't know what caused it or why the compact fixed it. 

This has never happened to the user before and I've never seen it myself - a
select query with a condition Is Null and it selects records in which that
field is NOT null.

Any ideas?

MTIA

 

Rocky Smolin

Beach Access Software

858-259-4334

www.e-z-mrp.com <http://www.e-z-mrp.com/> 

www.bchacc.com <http://www.bchacc.com/> 

 

 



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