Persist data effectively with Android Realm database

When it comes to storing application data in a database on Android, there’s not much of a choice the developer has. First of all, there is SQLite as the only officially recommended solution in Android framework. On top of SQLite, there is a number of ORM (Object-relational mapping) frameworks available which aim at allowing developer to work directly with objects when storing and reading data from a database. SQLite is however sometimes not so easy to use and there are some drawbacks due to not being designed specificaly for mobile devices. Luckily, there is another kind of database gaining on popularity lately — the Android Realm database.

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GreenDAO: A fast Android ORM database

When it comes to persisting data on Android, the officially recommended way is to use the SQLite database. Even though the Android framework provides some kind of support in form of the helper classes, the developer still has to struggle with writing raw SQL queries and manually transforming objects to records in the database. This is where Android ORM database libraries come to give a helping hand.

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