When an application is part of the Microsoft Office suite, it's sure to be a leader in its field. In the realm of desktop database management, Access is top dog with millions of users. But this is one dog that can bite. Although Access is a powerful, relational tool with the fetching talents of a Labrador, it's not an easy beast to train. Still, millions of users count on Access for everything from managing parts databases to running Web catalogs to working as a front end to mondo SQL databases. But Access is chockablock with annoyances---report hassles, query conundrums, VBA bug