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

Databases are used in many different settings, for different purposes. For example, libraries use databases to keep track of which books are available and which are out on loan. Schools may use ...

In addition to needing an operating system, some embedded systems will need a structure for organizing data. In this article I discuss various ways of storing and retrieving data. Where appropriate, I ...

The first thing in building any E-commerce app is creating the underlying database to support it. As much as possible, you should try to build your application code and business logic into your ...

File-based databases have been around since the dawn of computing. We’ve always needed to have a way of storing records of the same kind of information. In the PC world, we ended up with very popular ...