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Database Keys MCQ App Download - Database Systems PDF e-Book

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Database Keys MCQ (Multiple Choice Questions) PDF Download

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The Database Keys Multiple Choice Questions (MCQ Quiz) with Answers PDF (Database Keys MCQ PDF e-Book) download to learn Database Systems Tests. Study Introduction to RDBMS Multiple Choice Questions and Answers (MCQs), Database Keys quiz answers PDF for master degree in computer science. The Database Keys MCQ App Download: Free Database Systems App to learn dbms keys, structure of relational model test prep for accelerated computer science degree online.

The MCQ: A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as "Database Keys" App Download [Free] with answers: unique key, special key, super key, and primary key for master degree in computer science. Practice Database Keys Quiz Questions, download Apple e-Book (Free Sample) for online software development courses.

Database Keys Questions and Answers PDF Download

MCQ: 1

A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as

  1. Unique key
  2. Special key
  3. Super key
  4. Primary key
MCQ: 2

No two tuples in a relation are allowed to have exactly the same value for

  1. Some attributes
  2. All attributes
  3. Some tuple
  4. All tuples
MCQ: 3

Specifying tuples within a given relation, are expressed in terms of the

  1. Attributes
  2. Variables
  3. Function
  4. Domain
MCQ: 4

A superkey may contain extraneous

  1. Attributes
  2. Keys
  3. Instances
  4. Entries
MCQ: 5

The values of the attribute values of a tuple must be such that they can uniquely identify the

  1. Instance
  2. Entity
  3. Relation
  4. Tuple

Database Systems Practice Tests

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Database Keys Apps (Android & iOS)

Database Keys App

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

DataBase Management System (MCS) App

Fluid Mechanics Apps (Android & iOS)

Fluid Mechanics App

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