Re: Noninferential vs. inferential DBMS
Date: Fri, 14 May 2004 11:23:09 +0100
Message-ID: <o61pc.3223$wI4.331711_at_wards.force9.net>
x wrote:
>>A non-inferential database is one that you can add data to but you can't
>>get ANYTHING out? i.e. you can infer nothing from it? So you can INSERT,
>>UPDATE or DELETE but not SELECT?
>
> No. ANYTHING is too much. Of course you can get SOMETHING out.
>
> in-fer-ence (in'fuhr uhns, -fruhns) n.
> 3. Logic.
> a. the process of deriving from assumed
> premises either the strict logical
> conclusion or one that is to some
> degree probable.
> b. a proposition reached by a process
> of inference.
For example, suppose you have an employee table, you could get out of it that "Fred Smith has empid=123, works in dept 10 and has a salary of 10,000". But you wouldn't be able to ask "Is there an employee called Fred Smith?
Paul. Received on Fri May 14 2004 - 12:23:09 CEST