Re: Definition Needed: "proper superkey"

From: "David Portas" <REMOVE_BEFORE_REPLYING_dportas@xxxxxxx>
Date: Thu, 24 Jul 2008 06:59:30 +0100

"Gene Wirchenko" <genew@xxxxxxxx> wrote in message
news:84kf84heanobbme2i559073ik72oodkkm5@xxxxxxxxxx

I can not find a definition for "proper superkey". I have found
"superkey", but not "proper superkey".

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:
I have preferences.
You have biases.
He/She has prejudices.

"A superkey that does not have the irreducibility property; i.e., a proper
superset of a key."

- The Relational Database Dictionary

--
David Portas

.

References:
- Definition Needed: "proper superkey"
  - From: Gene Wirchenko

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