[mso] Re: Access Queries :VSMail mx3

Glenda,

Have you looked into aggregate queries?  Open a new query window and pull
your table in, then select the fields you want.  Next click on the Summation
sign, (it looks like a giant backwards E).  This turns your query into a
summation query and you can group by UID, Type and Position.  Your end
result will be one record for each unique combination of the three fields.

James

-----Original Message-----
From: Glenda Wells [mailto:gwells@xxxxxxxxxxx]
Sent: Wednesday, June 30, 2004 1:26 PM
To: mso@xxxxxxxxxxxxx
Subject: [mso] Access Queries :VSMail mx3


Hi All. 
I pull data in Access like this with multiple types and positions
available. I only want 1 record for each UID in the following order.

UID     Type 1  Position 1 
UID     Type 1  Position 2 
UID     Type 2  Position 1 
UID     Type 2  Position 2 

Typically, I do it like this: 

make table query to extract Type 1, Position 1 
then append queries for the other records in order listed. the append
queries are based on select queries with a not-in statement so I don't
append records that already have the UID in the original table

The end result is one table with all types and positions represented and
no duplicates. 

I do it this way because each Type and Position could be multiple in the
master table. 

Is there a better way for this kind of thing...something more
straightforward? Currently it take several steps to get where I'm going
and I want to streamline the process.

make table TypePosition (Type 1 Position 1) 
select query T1P2 (UID not already in TypePosition) 
apn query T1P2 ((UID not already in TypePosition) 
select query T2P1 ((UID not already in TypePosition) 
apn query T2P1 (UID not already in TypePosition) 
select query T2P2 (UID not already in TypePosition) 
apn query T2P2 (UID not already in TypePosition) 


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