Re: c.d.theory glossary - NULL
Date: Tue, 27 Apr 2004 16:05:08 GMT
On Sat, 24 Apr 2004 11:09:44 -0400, "Laconic2" <laconic2_at_comcast.net> wrote:
It's more like the ruining marker.
Date says that null is not a value.
A "proposition" with a mark is not a proposition, it is a bullshit :-)
If a DB has nulls then it is not an RDB.
>The fact that tables can have NULLs in them, and relations can't is another
>point of difference between tables and relations.
Indeed, it is one of the reasons because SQL is not relational. SQL is a corruption of The Relational Model.
Alfredo Received on Tue Apr 27 2004 - 18:05:08 CEST