In Microsoft Access, a Query can answer a simple question, merge data from different tables, perform calculations, add, change, and delete data from the database.

Effectively maintaining an Access database requires the regular removal of duplicate records. The Find Duplicates Query wizard handles this chore quickly and easily.

Did you know that you could calculate fields in the query in Microsoft Access? In this tutorial we will explain how to create Calculated Fields in Access.

There's no built-in way to generate a running total in your Access queries, but you can still get the job done if you set up your table correctly and build the right expression. Database expert ...