On Fri, 27 Sep 2002 11:29:34 -0700 (PDT)
Stephan Szabo <[EMAIL PROTECTED]> wrote:

> On Fri, 27 Sep 2002, GB Clark wrote:
> 
> > CREATE TABLE sysusers (
> > user_id                     INTEGER DEFAULT nextval('sysusers_user_id_seq')
> >                                     UNIQUE NOT NULL PRIMARY KEY,
> > username                    text NOT NULL UNIQUE,
> > password                    text NOT NULL,
> >
> > createby                    text NOT NULL DEFAULT 'syscreate',
> >
> > status                      char(1) DEFAULT 'A' CHECK (status in ('A', 'I')),
> > comment1                    text,
> > comment2                    text,
> > tstamp                      timestamp DEFAULT CURRENT_TIMESTAMP
> > );
> >
> > CREATE UNIQUE INDEX username_unique_idx ON sysusers (username);
> >
> > INSERT INTO sysusers (username, password, createby) VALUES ('syscreate', 
>'testing', 'syscreate');
> >
> > ALTER TABLE sysusers ADD CONSTRAINT createby_test CHECK (createby in (username));
> 
> This is only going to check the value of username in the current row.
> 
> Why not use a foreign key from createby to username?
> 
Thanks!  The FK was just what I was looking for.  I had not relized that I could
do a current table reference in a FK declaration.

Thanks,

GB

-- 
GB Clark II             | Roaming FreeBSD Admin
[EMAIL PROTECTED] | General Geek 
           CTHULU for President - Why choose the lesser of two evils?

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