Re: Application logic and Business logic
From: Jeff Brooks (jeff_brooks_at_nospam.com)
Date: 03/20/05
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Date: Sun, 20 Mar 2005 18:37:40 GMT
frebe wrote:
> > How do you explain Object Databases that provide query languages?
>
> In this case (ODMG OQL), we are talking about a hybrid
> object-relational query language and not about a network-OO query
> language. OQL is heavily based on SQL and relational calculus
> (selection, projection, joins, etc). Saying that SQL and OQL is
> different is just to play with words. If class=table and object=record,
> you will find that OQL=SQL.
>
> Databases that provides OQL is just a layer on top of a relational
> database. It would be impossible for a network (OO) database to execute
> OQL queries faster than linear time.
Do you think Oracle is a relational database?
Jeff Brooks
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