Re: Date's First Great Blunder

From: Anthony W. Youngman <>
Date: Wed, 21 Apr 2004 18:44:34 +0100
Message-ID: <$>

In message <c5oj0f$255$>, Dawn M. Wolthuis <> writes
>> >I am an example of someone who has used Oracle, SQL Server, My SQL, and
>> >PostgreSQL and much prefer the data model of the U2 databases (UniVerse
>> >UniData). Why? Because I care about the cost of ownership for the
>> >software solutions over time. I am not alone in knowing and using
>> >relational databases and prefering not to.
>> None of the above is a RDBMS and My SQL is not a DBMS at all.
>So, we have a theory and no implementations so it is impossible for us to
>know whether the theory is useful or not? I won't hold my breath for an
>actual consumer product that is deemed good enough for us to test the
>theory. And, by the way, since Codd's first relational theory paper was
>published by ACM in 1970, what is keeping us from having an implementation
>these many years later? I'll admit there are no perfect PICK
>implementations by a long stretch, but the first implementation of it was,
>indeed, an implementation.

I'll repeat myself :-)

Relational is so simple, that in 30 years we STILL don't have a proper implementation of it?


Anthony W. Youngman - wol at thewolery dot demon dot co dot uk
HEX wondered how much he should tell the Wizards. He felt it would not be a
good idea to burden them with too much input. Hex always thought of his reports
as Lies-to-People.
The Science of Discworld : (c) Terry Pratchett 1999
Received on Wed Apr 21 2004 - 19:44:34 CEST

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