[mso] Re: Access Queries

Glenda

If I read the question property, I thing that
using a "UNION" query approach.

Are You familiar with how do a "UNION" query ?

dave

----- Original Message ----- 
From: "Glenda Wells" <gwells@xxxxxxxxxxx>
To: <mso@xxxxxxxxxxxxx>
Sent: Wednesday, June 30, 2004 4:26 PM
Subject: [mso] Access Queries


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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