Re: Joining data tables and system tables

From: Costin Cozianu <c_cozianu_at_hotmail.com>
Date: Thu, 02 Jan 2003 09:19:14 -0800
Message-ID: <av1sas$b8u8q$1@ID-152540.news.dfncis.de>

> If I had something to link metadata to data I could get a paradox if I
> define a relation as: "one column with the names of all relations in
> the database that don't contain their own names as strings of data in
> one of their tuples" (should that relation just defined list itself or
> not?).

No, you have no paradox at all. The relation you "described" just doesn't exist.

See Dijkstra's coments on the subject:
http://www.cs.utexas.edu/users/EWD/ewd09xx/EWD923a.PDF

>
> Paul.

Costin Received on Thu Jan 02 2003 - 11:19:14 CST