Re: Transitive Closure

"Laconic2" <laconic2_at_comcast.net> wrote in message news:<4o6dndP5isL4WzXdRVn-vg_at_comcast.com>...
> "Alfredo Novoa" <alfredo_at_ncs.es> wrote in message
> news:e4330f45.0405161549.7f66ece8_at_posting.google.com...
>
> > I prefer restriction. What selection does is a restriction.
>
>
> Interesting. The literature used to use the word "selection" until the
> early 1980s, when SQL became the de facto standard interface language. At
> that point, the word "selection" began to be misinterpreted by people
> familiar with SQL, but not with relational operators. So the word
> "restriction" gradually displaced the word "selection".

In the early 1980's I was on the primary school, so it is logical that I prefer restriction :-)

Regards
  Alfredo Received on Tue May 18 2004 - 12:58:42 CEST