Re: 1GB Tables as Classes, or Tables as Types, and all that refuted

Jan Hidders wrote:
> You are so right that it's almost boring. :-) If there had been any real
> logical problems with letting relational variables play the role of
> types then it would have not been possible or very difficult to come up
> with a decent formal data model for that. It wasn't. QED

Isn't Date's "first great blunder" to be seen more as a rule of thumb or a software engineering principle rather than as a formal mathematical truth?

i.e. although it is possible to map classes from an object-oriented system onto relations in an RDBMS in certain circumstances, as a general rule it's best avoided?

Paul Received on Tue Nov 16 2004 - 09:39:15 CET