Hi there,
after reading a nice articel on normalisation, I did split my tables and now
I am suffering performance lost.
this query (finding out the amount of user which have posted an article on
germany) takes 4.5 s:
SELECT count(DISTINCT user_recommending)
FROM recommendations t
INNER JOIN
[EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, May 20, 2002 1:48 PM
Subject: Join takes way too long. How to optimize this smal query?
Hi there,
after reading a nice articel on normalisation, I did split my tables and
now
I am suffering performance lost.
this query (finding out
