Re: Does Codd's view of a relational database differ from that ofDate&Darwin?[M.Gittens]
Date: Wed, 22 Jun 2005 13:37:47 +0200
On Tue, 21 Jun 2005 19:14:25 GMT, Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be> wrote:
>> Yet, I agree that FDM queries are still different from purely
>> declarative queries. But this difference is rather subtle and difficult
>> to explain.
>Just to avoid a few misunderstandings here. The fact that DAPLEX is
>essentially (i.e. can be with some minor syntactical changes thought of
>as) a declarative language is a well-known and widely accepted fact in
>the field of database theory.
Essentially declarative language is not the same as purely declarative language.
For instance Tutorial D is far from being purely declarative.
Regards Received on Wed Jun 22 2005 - 13:37:47 CEST