On Wed, Apr 06, 2005 at 13:45:13 -0300,
Ricardo Valença de Assis <[EMAIL PROTECTED]> wrote:
> Hello Everybody!
>
> I´m trying to use delete to remove data from one table based on another.
> The query is this:
>
> DELETE FROM table1 WHERE column1 IN (SELECT column2 FROM table2);
>
> but my table is big, so it takes a lot o time...
> Is there a way to use DELETE with INNER JOIN in PostGreSQL?
Yes. You should be able to do something like:
DELETE FROM table1 WHERE column1 = table2.column2;
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