Hi, I'm trying to figure out how to apply these from the manual, but to
no avail. Is it possible that my version (4.0.18) does not implement
these?
I have two tables: products and products_by_product_area. Both have a
field product. I try
SELECT product from products WHERE NOT EXISTS (SELECT
18, 2004 10:16 PM
Subject: EXISTS/NOT EXISTS
Hi, I'm trying to figure out how to apply these from the manual, but to
no avail. Is it possible that my version (4.0.18) does not implement
these?
I have two tables: products and products_by_product_area. Both have a
field product. I try
SELECT
SELECT product from products WHERE NOT EXISTS (SELECT DISTINCT * from
products_by_product_areas WHERE products_by_product_areas.product =
products.product);
Both of these queries run fine on their own. It looks to me that I'm
simply adapting from the manual, but all I get is
ERROR 1064: You have
]
Sent: Friday, June 18, 2004 2:38 PM
To: Anton Ivanov
Cc: [EMAIL PROTECTED]
Subject: Re: EXISTS/NOT EXISTS
Subqeries require mysql 4.1.
The manual offers some suggestions on rewriting subqueries as JOINs
http://dev.mysql.com/doc/mysql/en/Rewriting_subqueries.html.
In your case, you want
