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  • Subject: Re: PF File Definition questions...
  • From: John P Carr <jpcarr@xxxxxxxxxxxx>
  • Date: Fri, 15 Oct 1999 10:39:05 -0400


Bruce Hoffman said
>One thing you should note, 1st normal form requires a physical file to have
>a primary key, a unique field that unambiguously identifies every single
>record in the file.

For that reason,  I always have the Unique key on the Phy.

If you do not have the unique key on the physical,  there are opportunities
where you could get 
dups.     (Oh,  I removed that LF's member so the reorg would run faster,  I
didn't think a user would sign on and add a record THAT quickly.........)

John Carr

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