Re: [SQL] Unique Number KEY

CIMPOESU Teodor <teo@digiro.net> writes:

> you have 2 ways to do it:
> 1. try something like
>       CREATE TABLE  STUDENTS(
>            studentID  int4 DEFAULT 'int(now())',
>           studentName text );

Is suspect int(now()) to have a resolution of one second. Therefore
this will not work if you insert more than one record in a second.

Christophe Labouisse : Cinéma, typographie, Unix
christophe.labouisse@dial.oleane.com http://www.multimania.com/gabuzo/
Le cinéma en Lumière : http://www.lumiere.org/