AppDatabase.kt

@Database(
        version = 2,
        entities = [AppSettings::class, UserData::class, Quiz::class, QuizData::class],
        autoMigrations = [AutoMigration(from = 1, to = 2, spec = AppDatabase.MigrateQuizQuesToQuizQuestion::class)],
        exportSchema = true
)
abstract class AppDatabase : RoomDatabase() {
    @RenameColumn(tableName = "Quiz", fromColumnName = "QuizQues", toColumnName = "QuizQuestion")
    class MigrateQuizQuesToQuizQuestion : AutoMigrationSpec { }
}