Re: doubts about a constraint's definition

Thanks Peter for your attention, it's exactly what I needed
:>)

Greetings
Enediel
Linux user 300141

Happy who can penetrate the secret causes of the things
¡Use Linux!
----- Original Message -----
From: "Peter Gibbs" <peter(at)emkel(dot)co(dot)za>
To: "enediel" <enediel(at)com(dot)ith(dot)tur(dot)cu>; "postgresql"
<pgsql-general(at)postgresql(dot)org>
Sent: Friday, March 21, 2003 6:32 AM
Subject: Re: [GENERAL] doubts about a constraint's definition

> enediel wrote:
>
> > I need to create a column, where the information is conserved in the
same
> > way that it was written by the user, but the data of this column is
unique
> > if it's only taken to capital
> >
> > declaring a constraint
> > ... unique(column name) is not enough to me 'cause
> >
> > 'ab'
> > 'AB'
> > 'aB'
> > ....
> > will be accepted
> >
>
> Create a unique functional index e.g.
> create unique index index_name on table_name (upper(fieldname));
> --
> Peter Gibbs
> EmKel Systems
>
>
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