Database Systems - Section 5 | Multiple Questions and Answers

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Database Systems - Section 5 Multiple Questions and Answers.

21.	Which of the following hardware components is the most important to the operation of a database management system?

	A.	high-resolution video display
	B.	printer
	C.	high speed, large-capacity disk
	D.	plotter

22.	The PROJECT command will create new table that has

	A.	more fields than the original table
	B.	more rows than the original table
	C.	both (a) and (b)
	D.	None of the above

23.	To have a file hold a list, it is necessary to

	A.	identify the records in the list
	B.	identify the name, width and type of the fields of each record.
	C.	decide which fields will be used as sort or index keys
	D.	All of the above

24.	Sophisticated report generators can

	A.	print row-oriented reports
	B.	perform arithmetic operations
	C.	selectively retrieve and print portions of a list
	D.	All of the above

25.	In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.

	A.	Network database
	B.	Relational database
	C.	Distributed database
	D.	Hierarchical database

Read More :

» Database Systems - Section 1

» Database Systems - Section 2

» Database Systems - Section 3

» Database Systems - Section 4

» Database Systems - Section 5

» Database Systems - Section 6

» Database Systems - Section 7

» Database Systems - Section 8

Date to Date Current Affairs 2022

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