Re: How to remove duplicate lines but save one of the lines? - Mailing list pgsql-general

From A B
Subject Re: How to remove duplicate lines but save one of the lines?
Date
Msg-id dbbf25900807210851v23d6915fgdea194e7abc71746@mail.gmail.com
Whole thread Raw
In response to Re: How to remove duplicate lines but save one of the lines?  (Said Ramirez <sramirez@vonage.com>)
Responses Re: How to remove duplicate lines but save one of the lines?
Re: How to remove duplicate lines but save one of the lines?
Re: How to remove duplicate lines but save one of the lines?
List pgsql-general
> There is probably a more elegant way of doing it, but  a simple way of doing
> it ( depending on the size of the table ) could be:
>
> begin;
>
> insert into foo select distinct * from orig_table;
> delete from orig_table;
> insert into orig_table select * from foo;
>
> commit;

Just to make it clear to me
Here foo is a table that I have to create  with the command
CREATE TABLE foo (....same columns as orig_table);
?

Is it possible to add a unique constraint to the table, with a
"delete" option so it will delete duplicates?

pgsql-general by date:

Previous
From: "Francisco Reyes"
Date:
Subject: Re: How to remove duplicate lines but save one of the lines?
Next
From: Ludwig Kniprath
Date:
Subject: Re: Field size