Re: Having problems with a 25 million row table on 8.1.3

try:

select tax_code from warehouse.sec_trans group by tax_code

there was a discussion about this on the pgsql-performance a while back:

http://archives.postgresql.org/pgsql-performance/2004-10/msg00053.php

-ae

On Apr 25, 2006, at 4:10 PM, Tony Caduto wrote:

> select DISTINCT tax_code from warehouse.sec_trans We let this run  
> for 1/2 hour or so and canceled it.
>
> Then I tried select DISTINCT ON (tax_code) tax_code from  
> warehouse.sec_trans