What is important to do to a SQLite database to release any resources obtained by the object so that unexpected errors do not occur in your application during use?

a. Shutdown the database by calling the release() method on the SQLiteOpenHelper object.

b. End any queries by calling the endQuery() method on the SQLiteOpenHelper object.
c. Stop the database by calling the stop() method on the SQLiteOpenHelper object.
d. Close the database by calling the close() method on the SQLiteOpenHelper object.

d. Close the database by calling the close() method on the SQLiteOpenHelper object.