Database Systems - Section 5 | Multiple Questions and Answers

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Database Systems - Section 5 Multiple Questions and Answers.

16.	Which command is used to remove an index from the database in SQL?

	A.	DELETE INDEX
	B.	DROP INDEX
	C.	REMOVE INDEX
	D.	ROLL BACK INDEX

17.	An-owner-member set in the CODASYL specifications may have

	A.	only one owner but many owner occurrences
	B.	only one member but many member occurrence
	C.	more than one member but only one occurrence per member
	D.	All of the above

18.	What is the name given to the database management system which is able to handle full text data, image data, audio and video?

	A.	Full media
	B.	Graphics media
	C.	Multimedia
	D.	Hypertext

19.	A top-to-bottom relationship among the items in a database is established by a

	A.	Hierarchical schema
	B.	Network schema
	C.	Relational schema
	D.	All of the above

20.	A database management system

	A.	allows simultaneous access to multiple files
	B.	can do more than a record management system
	C.	is a collection of programs for managing data in a single file
	D.	both (a) and (b)

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» Database Systems - Section 7

» Database Systems - Section 8

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