Databases need to store the data they hold in operating system files that typically (but not always) are made up of a series of files. The format of these files is typically (but not always) proprietary, and the data files contain:

Question 16 options:

	A) Data being stored
	B) Pointers from one field to the next field or from one row to the next row
	D) Index data, including pointers from the index to the physical data
	D) All of the above.
	E) None of the above.