Re: row vs row.column level locking

From: Mladen Gogala <gogala_at_sbcglobal.net>
Date: Sat, 17 Dec 2005 20:23:07 GMT
Message-Id: <pan.2005.12.17.20.23.07.238059@sbcglobal.net>

On Sat, 17 Dec 2005 06:44:17 -0500, Mark C. Stock wrote:

> technically speaking, if there's any FK-PK path between tables, columns are
> related -- that's where the term 'relational' comes from. you're referring
> to dependence/identity

Actually, the term "relational" comes from "relational algebra", which is another name for the naive set theory (excludes the axiom of choice, discussions of the cardinalities, well-ordering theorem, transfinite induction and Zorn's lemma). That is what Ted Codd and Chris Date implemented and developed once upon a time in the galaxy of Milky Way.

-- 
http://www.mgogala.com

Received on Sat Dec 17 2005 - 14:23:07 CST