Hello,

> In order to join 2 tables in a n:n relation, i created a third table
> with 2 FK.
>
> How to insert automatically a new tuple in this table when I insert
> a new tuple in my other tables ?

That doesn't make sense -- how can you create a new n-n
relationship upon creation of a row in one of the other tables?

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com