//nama db
    public static String DATABASE_NAME = "notadb";
    //veri db
    private static final int DATABSE_VERSION = 1;
    //query create db
    private static final String SQL_CREATE_TABLE_NOTA = String.format("CREATE TABLE %s"
                                +"(%s INTEGER PRIMARY KEY AUTOINCREMENT,"+
                                    "%s TEXT NOT NULL, "+
                                    "%s TEXT NOT NULL, " +
                                    "%s TEXT NOT NULL, )",
                                DatabaseContract.TABLE_NOTA,
                                DatabaseContract.NotaColum._ID,
                                DatabaseContract.NotaColum.TITLE,
                                DatabaseContract.NotaColum.DESKRIPSI,
                                DatabaseContract.NotaColum.TANGGAL);






    public DatabaseHelper(Context context) {
        super(context, DATABASE_NAME, null, DATABSE_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL(SQL_CREATE_TABLE_NOTA);

    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        db.execSQL("DROP TABLE IF EXISTS"+DatabaseContract.TABLE_NOTA);
        onCreate(db);

    }