How to delete duplicate record

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От Abdul Wahab Dahalan
Тема How to delete duplicate record
Дата
Msg-id 3E4704EA.A7A813CC@mimos.my
обсуждение исходный текст
Ответы Re: How to delete duplicate record  ("Tomasz Myrta" <jasiek@klaster.net>)
Re: How to delete duplicate record  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Re: How to delete duplicate record  ("Tomasz Myrta" <jasiek@klaster.net>)
Список pgsql-sql
How do I delete a duplicated records?
Here I've 7 duplicated records and tried to delete 6 from them.

I tried this query but has error
b2b=> delete from biztypes where bizid = (select bizid from biztypes
where bizid = 'B116' limit 6);
ERROR:  More than one tuple returned by a subselect used as an
expression.

I tried this query, but all records are deleted.
b2b=> delete from biztypes where bizid = (select bizid from biztypes
where bizid = 'B116' limit 1);
DELETE 7

Any help are very much appreciated..
Thanks. Wahab




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