Paul Lambert wrote:
Just use distinct...
test=# select distinct count(*),substring( href from '.*://([^/]*)' ) as
domain from url group by domain order by domain;
OK so distinct was redundant there... it gives the same results without it.
AutoDRS=# select count(*) as occurances,substring( href from
'.*://([^/]*)' ) as domain from url group by domain order by occurances
desc,domain;
occurances | domain
------------+--------------------------
11 | www.google.com
4 | dictionary.reference.com
4 | texturizer.net
3 | devedge.netscape.com
3 | groups.google.com
2 | forums.mozillazine.org
2 | www.mozillazine.org
(7 rows)
--
Paul Lambert
Database Administrator
AutoLedgers
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TIP 2: Don't 'kill -9' the postmaster
