Re: Persistence, EJBs and OO-Relational mapping
From: (wrong string) ßjohann <Kai.Grossjohann_at_CS.Uni-Dortmund.DE>
Date: 28 Dec 2000 17:13:33 +0100
Message-ID: <vafd7ecv80i.fsf_at_lucy.cs.uni-dortmund.de>
Date: 28 Dec 2000 17:13:33 +0100
Message-ID: <vafd7ecv80i.fsf_at_lucy.cs.uni-dortmund.de>
On Fri, 15 Dec 2000, Carl Rosenberger wrote:
> I don't agree here.
> Set algebra (SQL) is very difficult to learn.
Relational algebra != SQL.
I like to think about queries in tuple calculus or relational algebra, then transform them to SQL. But I don't really use RDBMSes a lot, just for toy problems.
kai
-- ~/.signatureReceived on Thu Dec 28 2000 - 17:13:33 CET