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
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