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Database Keys Multiple Choice Questions (MCQ) PDF Download

The Database Keys Multiple Choice Questions (MCQ Quiz) with Answers PDF, Database Keys MCQ PDF e-Book download to practice 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 learning app for dbms keys, structure of relational model test prep for accelerated computer science degree online.

The MCQ: No two tuples in a relation are allowed to have exactly same value for; "Database Keys" App Download (Free) with answers: Some attributes; All attributes; Some tuple; All tuples; for master degree in computer science. Practice Database Keys Quiz Questions, download Apple e-Book (Free Sample) for online software development courses.

Database Keys MCQs: 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

Database Keys Learning App: Free Download Android & iOS

The App: Database Keys MCQs App to study Database Keys textbook, Database Management System MCQ App, and Computer Architecture MCQ App. The "Database Keys" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Database Keys App (Android & iOS)

Database Keys App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (iOS & Android)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)

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

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