On 1/10/06, A. Kretschmer <andreas(dot)kretschmer(at)schollglas(dot)com> wrote:
> am 10.01.2006, um 10:38:59 -0700 mailte Michael Fuhr folgendes:
> > Beware that as written this doesn't handle concurrency. For example:
>
> Please, can you expand this example that it works with concurrency?
>
> This is a new field for me...
>
and what's the problem with something like
create table foo (
fld1 int4 not null unique
constraint eight_rows_limit check (fld1 >= 0 and fld1 <= 8)
);
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)