Get up to speed on MySQL basics with this step-by-step tutorial on how to create a database, add a table, and input data into the table.

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links to subordinates called (awkwardly) Slave, Child, or Detail tables.

When tables are created for each topic in a database, you must place common fields into the related table and form a relationship with them for information to be brought together again.

Learn how to add and remove Primary Keys from an Access database table. The primary key's purpose is to promptly associate data from multiple tables and combine that data.

Jack Wallen shows you how easy it is to create a MongoDB database and collection using the Compass GUI.

Of course, if you already have a lot of indexes on the EMP table, you might want to examine the impact of creating yet another index on the table. With the caveat that appropriate index creation can ...

Here's how to create a pivot table in Excel to slice and dice your data, letting you perform in-depth analyses and spot important trends.