At 05:24 PM 4/28/2008, [EMAIL PROTECTED] wrote:

Razzak,

I did read your article so for a primary key:
not null or dup. value
enforces constraints,
use instead of rules
builds an index.
So all others will be foreign keys.

Correct?

Very correct, Boyd!

To further understand the PK-FK relationship and a typical
relational database model, take a look at the latest RRBYW14.

CONNECT RRBYW14

At the R> Prompt:

  SET LINES 0
  LIST PKEYS
  LIST FKEYS
  LIST CONSTRAINTS

Very Best R:egards,

Razzak.


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