There are several popular ORM database libraries out there (SQLDelight, GreenDAO, SugarORM) but we’re going to see top 10 Android database library and nearly every one uses reflection for critical database interactions. Back-end developers get things done, plain and simple.

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Their work lays the foundation for an app’s success, and it comes with a lot of blood sweat and tears. Whatever your flavor, NoSQL or SQL these database libraries aim to make that work easier.

List of Top 10 Android Database Libraries

Sugar ORM (Java)

TMH rating : 8.6/10

Insanely easy way to work with Android databases.

It was built in contrast to other ORM’s to have:

• A simple, concise, and clean integration process with minimal configuration.
• Automatic table and column naming through reflection.
• Support for migrations between different schema versions.

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SQLDelight (Kotlin)

TMH rating : 7.3/10

Generates Java models from CREATE TABLE statements.

• SQLDelight generates Java models from your SQL CREATE TABLE statements.
• These models give you a typesafe API to read & write the rows of your tables.
• It helps you to keep your SQL statements together, organized, and easy to access from Java.

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Nitrite Database (Java)

TMH rating : 6.1/10

Java embedded nosql document store

A library for reading and writing Shared Preferences and Database values of the application within the device.

Advantages of using this library

• No Java Code. Only gradle dependency.
• Read all the Database Values in the device without the need of a browser.
• See all the Shared Preferences at once or file by file.
• Edit the table data by clicking the value of a column in a row.
• Query the database with various types of queries like SELECT, UPDATE, DELETE, INSERT and RAW QUERY. Querying is made simpler by making an interactive UI for various types of queries.
• Copy the value of an individual column of Shared Preference and Database tables to Clipboard.
• With the help of some additional gradle code, this library will pick up the compileSdk Version, targetSdk Version and Build Tools Version from the main project.

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greenDAO (Java)

TMH rating : 5.6/10

greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.

It is a light & fast ORM for Android that maps objects to SQLite databases. Being highly optimized for Android, greenDAO offers great performance and consumes minimal memory.

Features

greenDAO’s unique set of features:

• Rock solid: greenDAO has been around since 2011 and is used by countless famous apps
• Super simple: concise and straight-forward API, in V3 with annotations
• Small: The library is <150K and it’s just plain Java jar (no CPU dependent native parts)
• Fast: Probably the fastest ORM for Android, driven by intelligent code generation
• Safe and expressive query API: QueryBuilder uses property constants to avoid typos
• Powerful joins: query across entities and even chain joins for complex relations
• Flexible property types: use custom classes or enums to represent data in your entity
• Encryption: supports SQLCipher encrypted databases.

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NexusData (Java)

TMH rating : 5.6/10

Core Data for Android

It is an object graph and persistence framework for Android. It allows for organizing and managing relational data and serializing it to SQLite or custom stores. The data can be accessed or modified using higher level objects representing entities and their relationships. NexusData manages all the objects in the persistence store, tracks changes, and maintains consistency in relationships.

Features

• Change tracking and management of objects.
• Relationship maintenance by automatically propagating related changes to maintain consistency.
• Support for one-to-one and one-to-many relationships.
• Lazy loading of the object graph to reduce memory overhead.
• Flexible query interface that is independent of the underlying storage engine.
• Model generator that generates java classes from the model.
• Entity inheritence.
• Support for atomic and incremental persistence stores.
• Extensible to different persistence storage. Currently, two storage engines are provided out of the box:
  • In-memory
  • SQLite
• Built-in support for basic attribute types:
  • Short / Integer / Long
  • Boolean
  • Float / Double
  • String
  • Enum
  • Date

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Realm Asset Helper (Java)

TMH rating : 5.1/10

A small library to help with Realm.IO integration in Android apps

Copies a realm database from a the assets folder. Efficienty handles versioning of read-only realm databases.

Features

• copy the realm db from the app bundle and return filename ready to be opened
• easy, efficient updating of read-only databases.

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RoomAsset (Kotlin)

TMH rating : 3.9/10

A helper library to help using Room with existing pre-populated database.

An Android helper class to manage database creation and version management using an application’s raw asset files.

This library provides developers with a simple way to ship their Android app with an existing SQLite database (which may be pre-populated with data) and to manage its initial creation and any upgrades required with subsequent version releases.

It is implemented as an extension to Room, providing an easy way to use Room with an existing SQLite database.

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DBFlowManager (Java)

TMH rating : 2.8/10

A quick and easy database manager plugin library for your DBFlow databases.

A quick and easy database manager and viewer plugin library for your DBFlow databases to view, insert, delete, update the tables directly inside your app.

Features

• View all your tables data in tabular format
• Insert rows to your tables
• Update rows
• Delete rows
• Delete tables
• Drop tables
• Write your own custom queries and view the results. (Create statements, joins, etc)
• Change data in the tables and see how you application responds.

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sqlbrite-migrations (Java)

TMH rating : 1.6/10

SQLBrite helper class to manage database creation and version management using an application’s raw asset files.

Note: Current all migrations must be placed on migrations folder inside assets folder.

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