From: | "Martin A(dot) Marques" <martin(at)math(dot)unl(dot)edu(dot)ar> |
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To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: alter table and constraints |
Date: | 2000-08-25 18:30:31 |
Message-ID: | Pine.LNX.4.10.10008251527260.28169-100000@math.unl.edu.ar |
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Thread: | |
Lists: | pgsql-general |
On Fri, 25 Aug 2000, Peter Eisentraut wrote:
> Martin A. Marques writes:
>
> > I don't know if this is posible, but I'm trying to add and delete
> > constrains from a table. Is this posible and why am I having so much
> > problems?
>
> Because it only works for foreign keys. If you are talking about foreign
> key contraints then you should define "problems" better.
No, it was a primary key.
Can I change the constraint of NULL in a column? And what should I do if
I want to add a primary key to a table?
"And I'm happy, because you make me feel good, about me." - Melvin Udall
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Martín Marqués email: martin(at)math(dot)unl(dot)edu(dot)ar
Santa Fe - Argentina http://math.unl.edu.ar/~martin/
Administrador de sistemas en math.unl.edu.ar
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