Database Management System Practice Test 75

Disk File Records Quiz PDF: Questions and Answers - 75

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Disk File Records Questions and Answers PDF Download: Quiz 75

MCQ 371: The command which returns the first record of the just opened file is classified as

A) reorganize command

B) scan command

C) set-at-a-time command

D) insert command

MCQ 372: If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of second relation out of the two relations is classified as

A) UPWARD JOIN

B) DOWNWARD JOIN

C) LEFT OUTER JOIN

D) RIGHT OUTER JOIN

MCQ 373: Considering the device specifications, the byte sizes are usually from

A) 2 to 8 bits

B) 8 to 16 bits

C) 4 to 8 bits

D) 2 to 4 bits

MCQ 374: The decomposition of one relation say R into two relations is classified as

A) functional decomposition

B) ternary decomposition

C) binary decomposition

D) ordinary decomposition

MCQ 375: If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first relation out of the two relations is classified as

A) LEFT OUTER JOIN

B) RIGHT OUTER JOIN

C) UPWARD JOIN

D) DOWNWARD JOIN

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