def fetch_comments(self, criteria): return fetch_rows("com", criteria, self._connection)
def fetch_submissions(self, criteria): return fetch_rows("su", criteria, self._connection)
def fetch_assignments(self, criteria): return fetch_rows("as", criteria, self._connection)
def fetch_coursestudents(self, criteria): return fetch_rows("cs", criteria, self._connection)
def fetch_students(self, criteria): return fetch_rows("st", criteria, self._connection)
def fetch_instructors(self, criteria): return fetch_rows("in", criteria, self._connection)