Computer Science Degree Courses

Database Management System Certification Exam Tests

Database Management System Practice Test 75

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The Disk File Records Trivia Questions and Answers PDF (Disk File Records Quiz Answers PDF e-Book) download Ch. 5-75 to solve Database Management System Practice Tests. Learn Disk Storage, File Structures and Hashing MCQ Questions PDF, Disk File Records Multiple Choice Questions (MCQ Quiz) to study online school courses. The Disk File Records Trivia App Download: Free educational app for disk file records, relational operations, secondary storage devices test prep for top computer science schools.

The Trivia MCQ: The command which returns the first record of the just opened file is classified as; "Disk File Records" App (iOS & Android) with answers: Scan command; Reorganize command; Set-at-a-time command; Insert command; for top computer science schools. Study Disk Storage, File Structures and Hashing Questions and Answers, Google eBook to download free sample for computer science associate degree.

## Disk File Records Quiz with Answers : MCQs 75

MCQ 371:

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

1. reorganize command
2. scan command
3. set-at-a-time command
4. 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

1. UPWARD JOIN
2. DOWNWARD JOIN
3. LEFT OUTER JOIN
4. RIGHT OUTER JOIN
MCQ 373:

Considering the device specifications, the byte sizes are usually from

1. 2 to 8 bits
2. 8 to 16 bits
3. 4 to 8 bits
4. 2 to 4 bits
MCQ 374:

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

1. functional decomposition
2. ternary decomposition
3. binary decomposition
4. 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

1. LEFT OUTER JOIN
2. RIGHT OUTER JOIN
3. UPWARD JOIN
4. DOWNWARD JOIN