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Database Systems Practice Test 131

Integrity Constraints Quiz PDF: Questions and Answers - 131

Free Integrity Constraints Quiz Questions and Answers, integrity constraints Quiz MCQs PDF, chapter 21-131 to study online database systems degree programs. Solve SQL Concepts and Queries MCQ Questions PDF, Integrity Constraints Multiple Choice Questions (MCQ Quiz) for online college degrees. Free learning app: Integrity Constraints Trivia App Download & e-Book for magnetic disk and flash storage, deadlock handling, aggregate functions, recursive views, integrity constraints test prep for software engineering online courses.

The Quiz: Taking the instructor's relation into account, the integrity constraint ensures that instructor name cannot be; "Integrity Constraints" App Download (Android & iOS) Free with answers empty, null, duplicated and referenced for computer science bachelor degree online. Study sql concepts and queries questions and answers, Apple Book to download free sample for software engineering online courses.

Integrity Constraints Questions and Answers PDF Download: Quiz 131

MCQ 651: Taking the instructor's relation into account, the integrity constraint ensures that instructor name cannot be

A) Null
B) Empty
C) Duplicated
D) Referenced

MCQ 652: The second subquery of the recursive view is said to be

A) Non-recursive
B) Dynamic
C) Absolute
D) Recursive

MCQ 653: In SQL, the count of an empty collection is defined to be

A) 1
B) 0
C) Infinite
D) Unknown

MCQ 654: The deadlock prevention scheme named wound-wait is a

A) Non-linear preemptive technique
B) Linear preemptive technique
C) Preemptive technique
D) Nonpreemptive technique

MCQ 655: The process of temporarily storing the blocks in an inmemory buffer, to satisfy future requests, is known as

A) Read-ahead
B) Buffering
C) Scheduling
D) Log Disk

Database Systems Exam Prep Tests

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Integrity Constraints App (Android & iOS)

Integrity Constraints App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Semantic Web App (Android & iOS)

Semantic Web App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)