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.

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.

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.

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

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.

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...

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 ...