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Re: What does count(*) count? - Mailing list pgsql-general

From Tom Lane
Subject Re: What does count(*) count?
Date
Msg-id 11071.1072890310@sss.pgh.pa.us
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In response to Re: What does count(*) count?  (Együd Csaba <csegyud@vnet.hu>)
Responses Re: What does count(*) count?  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-general
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=?iso-8859-1?Q?Egy=FCd_Csaba?= <csegyud@vnet.hu> writes:
> I've got it, but I don't know the reason of it.
> In the database table the records have duplicated and I've two rows for
> every primary key - with different OIDs.

Sure sounds like a child table to me.

> Is there any safe method to get rid of only one of each duplicated row?

Drop the child table.

            regards, tom lane

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