The bigger your spreadsheet, the more you need INDEX and MATCH functions, which you can combine with SUM, AVERAGE, and MAX to refine your searches.

Discover why Power Query is the smarter alternative to Excel formulas for cleaning, transforming, and analyzing data efficiently.

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.

LibreOffice contains a very powerful database tool that is actually quite user friendly. Here's how to create a database query using the Design View tool.

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...