Michelle Konzack wrote:
> > I think you want a sequence. Give the serial number the type
bigserial or
> > serial. See
> >
http://www.postgresql.org/docs/current/static/functions-sequence.html
for
> > more.
>
> OK, thats cool... I have found an example in
"sql-createsequence.html"
>
> CREATE SEQUENCE serial START 1;
>
> INSERT INTO distributors VALUES (nextval('serial'), 'nothing');
>
> But there is one thing not clear:
>
> Du I need to create a SEQUENCE for each table or do I need only ONE
of
> if and can use it independant on differnt tables?
You can use one sequence for many tables.
If you follow the advice by Nikolas Everett and use a "serial" column,
that would create one dedicated sequence per serial column.
Yours,
Laurenz Albe