[mso] Re: Access 2002 Doesn't Link Null Data
- From: Cathy.Evans@xxxxxxxxx
- To: mso@xxxxxxxxxxxxx
- Date: Thu, 15 Nov 2007 23:45:58 -0500
What is the recordsource for the existing query? Is there a primary key
for an ID in the master table? I'm not quite clear yet, if you could
provide a little more info on the master data table structure it would be
helpful. Are the links in this new query one to one or one to many? I
was taught to build my queries from left to right, placing the master
table with ALL the records on the left, then placing the other
tables/queries to the right in the grid, so I can easily see where the
flow is, and I usually have a one to many from the master table to the
other table/queries so I will not miss any records, even if there are
nulls in the linked fields. However, that applies if the nulls are in the
many side of the link. Thanks, Cathy
Ray Shapp <ras45@xxxxxxxxxxxxx>
Sent by: mso-bounce@xxxxxxxxxxxxx
11/15/2007 06:13 PM
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[mso] Access 2002 Doesn't Link Null Data
To All,
A query in Access 2002 is not selecting all relevant records because some
records have no data in one of the linked fields.
I am building a new query using an existing query and a master data table.
The
existing query (called Active Members) does correctly select all the
records
from the master table for people who are still active members of our club.
The
new query should select a subset of active members who have expressed an
interest in a particular subject. Both the master table and the Active
Members
query contain fields for Title, Last_Name, and First_Name. Only the master
table contains info about the members' interests.
When I build the new query linking Title, Last_Name, and First_Name, a few
records are not selected because we don't have Title info such as "Mr." or
"Mrs." for every person. Is there a way link the Active Members query with
the
master table for all members who meet the other criteria even if Title
info is
blank?
This same problem comes up in those instances where an active member has
neglected to supply his or her first name. Only ten or a dozen records are
affected out of a master table containing over a thousand people.
Thank you for your help.
Ray Shapp
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