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Database Management System Practice Test 75

# Disk File Records Quiz Questions with Answers PDF - 75

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The e-Book Disk File Records Quiz Questions and Answers, disk file records Quiz MCQs PDF, chapter 5-75 to study online database management system degree programs. Study Disk Storage, File Structures and Hashing MCQ Questions PDF, disk file records Multiple Choice Questions (MCQ Quiz) for online college degrees. The Disk File Records Trivia App Download: Free educational app for disk file records, relational operations, secondary storage devices test prep for online computer science engineering.

The Quiz Command which returns the first record of the just opened file is classified as: scan command, reorganize command, set-at-a-time command and insert command with "Disk File Records" App Download (Android & iOS) Free to learn online training courses. Practice disk storage, file structures and hashing questions and answers, Google eBook to download free sample for online college courses.

## Disk File Records Trivia Questions : 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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