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Article #556

Easy FM Pro Question

#556
From: John_M._Berliner
Date: Fri, 20 Nov 1992 21:05
21 lines
1458 bytes
This is surely a most rudimentary FAQ, and I must be stupid. Now then:

I have a field for a vendor code. I have a field for a part number. Together
(concatenated) they must be unique. How do I check when the user enters these
two fields that the result of their concatenation (&) is unique, while the
individual field entries themselves will not need to be unique?

Ex:  Vendor Code A1
      Part No. 666

Neither A1 nor 666 should be tested for uniqueness, but A1-666 should. How?
Easy, right? Thanks in advance

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Message-ID: <1992Nov20.130558.117223@bmug.org>
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!iat.holonet.net!bmug!John_M._Berliner

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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!iat.holonet.net!bmug!John_M._Berliner
Message-ID: <1992Nov20.130558.117223@bmug.org>
Newsgroups: comp.sys.mac.databases
Distribution: world
From: John_M._Berliner@bmug.org
Organization: BMUG, Inc.
Date: Fri, 20 Nov 1992 13:05:58 PST
Subject: Easy FM Pro Question
Lines: 21