1. Relational Databases
The relational database model is one of the more popular models for databases today. Android comes with a built-in database called SQLite that is designed around the relational database model. This chapter covers some of the basic concepts of a relational database. It starts with a brief history of databases, then moves to a discussion of the relational model. Finally, it covers the evolution of database languages. This chapter is meant for the reader who is largely unfamiliar with the concept of a relational database. Readers who feel comfortable with the concepts of a relational database can safely move on to chapters that discuss the unique features of the SQLite database system that comes bundled with Android.
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