Re: DELETE FROM A BLACK LIST

You could use where exists.

delete from t1 where exists (select id from blacklist as b where b.id =
t1.id)

HTH
Chad
----- Original Message -----
From: <luca(dot)scaramella(at)recom(dot)it>
To: <pgsql-sql(at)postgresql(dot)org>
Sent: Wednesday, March 05, 2003 3:45 AM
Subject: [SQL] DELETE FROM A BLACK LIST

>
> Hi all,
> I have a Blacklist table containing about 1000 ID to delete from another
> table (T1 about 1440294 records)
> If i use the SQL
>
> DELETE FROM T1 WHERE T1.ID IN (SELECT BLACKLIST.ID FROM BLACKLIST)
>
> the operation is very slow .
>
> There is a faster way to do the same operation??
>
> Thanks
> Luca
>
>
>
>
>
>
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