am Wed, dem 13.09.2006, um 15:46:58 -0700 mailte Junkone folgendes: > hI > i have a bad situation that i did not have primary key. so i have a > table like this > colname1 colname2 > 1 apple > 1 apple > 2 orange > 2 orange > > It is a very large table. how do i remove the duplctes quickly annd > without much change.
begin; alter table foo rename to tmp; create table foo as select distinct * from tmp; commit; You should create a primary key now to avoid duplicated entries... HTH, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47215, D1: 0160/7141639 (mehr: -> Header) GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
