Public abstract void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) To be called when the database is created for the first time. Public abstract void onCreate(SQLiteDatabase db) Some of the important methods of the SQLiteOpenHelper class are: Method ![]() The SQLiteOpenHelper class has many methods. To create an object that can create, open and manage the database, and to also specify the error handler. SQLiteOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version, DatabaseErrorHandler errorHandler) To create an object that can create, open and manage the database. SQLiteOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) The SQLiteOpenHelper class has two constructors. The implementation of onCreate() and onUpgrade() methods of SQLiteOpenHelper class is required to be provided to perform any database operation. Information about what fundamental RDBMS features are implemented natively.The functionality to use the SQLite database is provided by the class which is used for database creation and version management. The operating systems that the RDBMSes can run on. Proprietary, with Polyhedra Lite available as Freeware ![]() Microsoft SQL Server Compact (Embedded Database) Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.Īpache License 2.0, BSD license for APIs and GUI tools Please see the individual products' articles for further information. The following tables compare general and technical information for a number of relational database management systems.
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