DbQuery is a lightweight and fluent SQLite Query API for Android. The API provides a new and simpler way to query data by minimizing the need to write SQL string inside the code. The API provides a new and simpler way to query data by minimizing the need to write SQL string inside the code. Firebase Query Android TutorialIn this Video we will learn how to query firebase realtime database. Prerequisites of this video:Android RecyclerView and Card. Sep 01, · SQLite is a Structure query base database, open source, light weight, no network access and standalone database. It support embedded relational database features. Whenever an application needs to store large amount of data then using sqlite is more preferable than other repository system like SharedPreferences or saving data in files.