Re: Poll: Expert user vs. Internals Expert
From: Neo <neo55592_at_hotmail.com>
Date: 25 May 2006 19:41:49 -0700
Message-ID: <1148611309.398637.132030_at_u72g2000cwu.googlegroups.com>
Date: 25 May 2006 19:41:49 -0700
Message-ID: <1148611309.398637.132030_at_u72g2000cwu.googlegroups.com>
> relational model -- the only sound and complete [data] model ...
How does one verify if a data model is sound and complete?
Which ones do? And how are they significantly different than SQL Server or Access?
> Certainly, any offering SQL, &c as query language or manipulation language don't implement the relational model.
Then what data model do SQL Server and Access implement?
> knowledge of the relational model is necessary -- before anything else.
How can I verify this? Received on Fri May 26 2006 - 04:41:49 CEST