Android Basics – Introduction to SQLite Database

Why you need a Database?

A scenario can be if your app needs to store data. Like when a user registers then you can save the information for later use.

There can be other reasons also. For example if a user has weak or no network then your app can display the last saved data to the user.
What is SQLite Database?

Android comes with a lighweight database which can be used with your apps. SQLite is an open source lighweight database.

SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.

Why use SQLite?

1. It’s lightweight – It uses a file to store data. So no processing time is needed and hence you conserve battery.

2. It’s fast and stable and can handle transactions.

3. It’s optimized for a single user.

How does SQLite store data?

Android creates a data folder for each app where the files reside. Two files are created to store the data.

/data/data/{unique-domain-name}/databases/example-db

This folder can only be accessed by the App.

Reference – https://www.sqlite.org/

Author: androidsmartly

I am a Tech Enthusiast who likes to work on new Ideas. Sharing knowledge on Android, Marketing, Startups and More.

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