Wouldn’t it have been better for them to able to maintain their database where ever they were? Of course, but how? Simple – put it online. [...] In this article I’ll focus on the essential elements of PHP you’ll need to use an existing Access database online. One other item that’s standard with a Windows installation is the availability of ODBC drivers. These are essential for the use of Access from PHP.
He includes a sample database structure (with "product", "product_category" and "category" tables) and includes some sample code showing how to connect to the remote database and perform some basic actions - select, update, insert and delete