Andy Jefferson <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm using MySQL 4.0.15 and have been trying to use EXISTS/NOT EXISTS ...
> with no success - getting "You have an error in your SQL syntax".
>
> I've got 2 tables A and B and am trying something like this
>
> SELECT THIS.A_ID FROM A THIS
> WHERE NOT EXISTS
> (SELECT THIS_ITEMS.B_ID FROM B THIS_ITEMS WHERE THIS.A_ID=B.A_ID)
>
> Does EXISTS exist in 4.0.15 ? or is it introduced in 4.1.*. If it does
> exist, what is incorrect in the syntax above ? (it matches the MySQL manual
> example from what I can see).
>
EXISTS is supported from 4.1.
In 4.0.x you can rewrite your query using LEFT JOIN:
http://dev.mysql.com/doc/mysql/en/Rewriting_subqueries.html
--
For technical support contracts, goto https://order.mysql.com/?ref=ensita
This email is sponsored by Ensita.net http://www.ensita.net/
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Egor Egorov
/ /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED]
/_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net
<___/ www.mysql.com
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
