From: luca.scaramella@recom.it
To: pgsql-sql@postgresql.org
Subject: DELETE FROM A BLACK LIST
Date: Wed, 5 Mar 2003 11:27:54 +0100
Message-ID: <OFC425EC90.A6DA753C-ONC1256CE0.003861F2@recom.it> (raw)
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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Subject: Re: DELETE FROM A BLACK LIST
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