![]() For example, a database may contain a customer table that contains the name, address, and telephone number of each of the customers of a particular business. Each database can contain multiple tables, each designed to hold information of a specific type. Understanding Database TablesÄatabase Tables provide the most basic level of data structure in a database. ![]() Before delving into the specifics of SQLite in the context of Android development, however, a brief overview of databases and SQL will be covered. This chapter will cover the SQLite database management system bundled with the Android operating system and outline the Android SDK classes that facilitate persistent SQLite-based database storage within an Android application. With the ever-present risk that the Android runtime system will terminate an application component to free up resources, a comprehensive data storage strategy to avoid data loss is a key factor in designing and implementing any application development strategy. ![]() The importance of persistent data storage becomes even more evident when considering the transient lifecycle of the typical Android application. The use of databases is an essential aspect of most applications, ranging from almost entirely data-driven applications to those that need to store small amounts of data, such as the prevailing game score. Mobile applications that do not need to store at least some persistent data are few and far between.
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