/*
  GET PASSED EXAMS
   */
  public Cursor getPassedExams() {

    database = course_dbHelper.getWritableDatabase();

    String where = DB_ABSTRACTS.DBCourse.PASSED_COLUMN + " = " + 1;

    Cursor cursor =
        database.query(
            DB_ABSTRACTS.DBCourse.DATABASE_TABLE,
            examColumns,
            where,
            null,
            null,
            null,
            DB_ABSTRACTS.DBCourse.PASS_MARK_COLUMN + " ASC");

    if (cursor.moveToFirst()) {
      do {
        Course course = new Course();
        course.setId(cursor.getInt(cursor.getColumnIndex(DB_ABSTRACTS.DBCourse.KEY_ID)));
        course.setName(cursor.getString(cursor.getColumnIndex(DB_ABSTRACTS.DBCourse.NAME_COLUMN)));
        course.setPassed(cursor.getInt(cursor.getColumnIndex(DB_ABSTRACTS.DBCourse.PASSED_COLUMN)));
        course.setPass_mark(
            cursor.getString(cursor.getColumnIndex(DB_ABSTRACTS.DBCourse.PASS_MARK_COLUMN)));
      } while (cursor.moveToNext());
    }
    return cursor;
  }