How does a database work with an app?

Mobile apps use databases for much the same reasons desktop and web applications do. Databases allow you to store data in a secure place so you can access it later . However, apps cannot directly use external databases to store this data. … Either way, your app has to work as if none of this happens.

Android comes in with built in SQLite database implementation .

Most of the time in Android uses the SQLite as a mobile database technology. SQLite is a relational database that is used in various embedded on iOS and android platforms.