From: Clifford Heath <no.spam@...>
Date: 2007-03-22T07:10:05+09:00
Subject: Re: Object/Relational Mapping is the Vietnam of Computer Science

Gary Wright wrote:
> I'm curious as to why query language development got hung up on SQL.
> I've read a little bit about Tutorial D.  Is SQL simply
> another example of pre-mature standardization?

There's a different kind of standardization?

> What would a Ruby interface to the underlying database engine (indexed
> tables) look like?  Could it get closer to Tutorial D by bypassing the
> standard technique of 'marshaling' requests into SQL statements?  Is
> the impedance mismatch between Ruby (or any other OO language) and
> Codd's relational algebra too great to cross smoothly?

Not with a fact-based model. ConQuer, though it's not
yet been realized commercially, is the absolute bees
knees - a raw beginner can compose queries that would
make a seasoned DBA quake. See www.orm.net for more...