On Sat, 2002-09-28 at 00:17, Gavin King wrote:
> Yes, well you see that was my understanding also. My reading of that
> statement is that the identity column *on its own* is a unique key of the
> table (whether theres a UNIQUE constraint or not).
>
> So a primary key constraint that includes an id
> IDENTITY fields in MS SQL (and Sybase, for that matter) are very simple:
> there can be only one IDENTITY field per table, and every INSERT is
> guaranteed to generate a unique value for that field.
Yes, well you see that was my understanding also. My reading of that
statement is that the ident
On Fri, 2002-09-27 at 19:15, Gavin King wrote:
> Thats what happens when you write emails at 3 am. I meant to express my
> interest in the fact that MS SQL can generate values that are unique, not
> for the whole table, but only for other rows with the same values in the
> other primary key fields.
Heh, I'm a mathematician by training :)
Edge / vertex are used in the sense of graph theory. So its a network where
each edge has a certain capacity and a certain length. Like, for example, a
network of water pipes. Of course, it doesn't do any useful computations its
meant to be merely illustrati
