Re: Unique is non unique; no nulls - Mailing list pgsql-general

"Razvan Costea-Barlutiu" <cbrazvan@laitek.com> writes:

> Hello.
>
> Facts:
> 1. System: Win2003
> 2. Postgres 8.2

Is that just 8.2 or 8.2.x? Which x?

> This has way too many ramifications for me to follow so I do appreciate some
> guidance.

What do the outputs of these queries say?

select count(*),count(distinct suid) from mt;

select suid,count(*) from mt group by suid having count(*) > 1;

--
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com