• Subject: Re: PF File Definition questions...
  • From: "Dan Bale" <dbale@xxxxxxxxxxx>
  • Date: Fri, 15 Oct 1999 16:06:14 -0400



Rob,

>> I am trying to follow database rules.  You cannot do
>> Referential Integrity on files without a primary key.

Could you please enlighten me on this statement?  When you say "primary key",
are you implying that a unique keyed access path must be defined in the physical
file?  If so, why not in a logical file?  (Which is what I do.)

- Dan Bale





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