Re: Date's First Great Blunder

In message <pan.2004.04.20.22.11.28.448611_at_dutra.fastmail.fm>, Leandro Guimarães Faria Corsetti Dutra <leandro_at_dutra.fastmail.fm> writes
>Em Mon, 19 Apr 2004 14:01:11 -0500, Dawn M. Wolthuis escreveu:
>
>>> Alphora Dataphor.
>>
>> Great -- so what advantages can you see in a real relational database
>> management system that are not present in the not-exacxtly-relational
>> implementations that are out there? In other words, in what way is a pure
>> relational implementation more useful than one that is not-so-pure?
>
> User defined types as first class citizens, including special
>values to get us rid of NULLs.

Amen to that ...
>
> Updateable derived relations (updateable views).
>
> All the system defined on the database, including UI.

I think we might have trouble here ... I'm beginning to get inconvenient ideas about data/metadata ... :-)
>
> And so on... get it for yourself on http://alphora.com./ --
>unfortunately it needs MS .Net.
>

Cheers,
Wol

-- 
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