Re: foundations of relational theory?
Date: Thu, 6 Nov 2003 09:13:10 -0800
Message-ID: <4svqb.9$6J4.21_at_news.oracle.com>
"byrmol" <member27348_at_dbforums.com> wrote in message
news:3566592.1068113078_at_dbforums.com...
> This quote gave me a good chuckle, because I am currently on a project
> that does this. Nearly the entire enterprise's schemas are replicated
> outside the DBMS's into these XML schema (XSD) for validation before it
> hits the data tier.
Which naturally leads to the conclusion "There must be something wrong with ..... the database!"
> Guess what happens... Any DB change HAS to be reflected in the middle
> tier. The middle tier has become a memory hungry, CPU churning pig with
> the added bonus of wiping out all logical/physical separation advantages
> that the DBMS had and for good measure coupling the data tier with the
> middle tier....
That is not really a problem. The problem to focus on is "Now, how do I abstract the database away and write a persistence layer". Received on Thu Nov 06 2003 - 18:13:10 CET