Re: The job of a relational DBMS (was: Sql request)
Date: Mon, 30 Nov 2009 18:17:45 -0800
On Tue, 01 Dec 2009 08:50:34 +1100, Ben Finney <bignose+hates-spam_at_benfinney.id.au> wrote:
>joel garry <joel-garry_at_home.com> writes:
>> Can't a function be part of the DBMS?
>A non-relational function shouldn't be part of a relational DBMS, no. An
>application can *store* its non-relational functions in the *database*,
>of course, and access them there; but database ? DBMS.
Addition of integral values is a function mapping two integral values to an integral value. Note the lack of a relation in the RDBMS sense. I think it would be a very useful thing for an RDBMS to have it.
(How do you more precisely make the division between in and out?)
Gene Wirchenko Received on Mon Nov 30 2009 - 20:17:45 CST