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Database Systems Certification Exam Tests

Database Systems Practice Test 302

DBMS Keys MCQs (Multiple Choice Questions) PDF Download - 302

The DBMS Keys Multiple Choice Questions (MCQ) with Answers PDF (DBMS Keys MCQs PDF e-Book) download Ch. 14-302 to solve Database Systems Practice Tests. Study Introduction to RDBMS quiz answers PDF, DBMS Keys Multiple Choice Questions (MCQ Quiz) for online computer science programs. The DBMS Keys MCQs App Download: Free educational app for view of data, model view controller (mvc), dbms keys test prep for online college courses.

The MCQs: To denote a candidate key as the principal means of identifying tuples within a relation, is known to be; "DBMS Keys" App (Android, iOS) with answers: Unique key; Super key; Primary key; Superset key; for online computer science programs. Practice Introduction to RDBMS Questions and Answers, Google eBook to download free sample for online computer science engineering.

DBMS Keys MCQ with Answers PDF Download: Quiz 302

MCQ 1506:

To denote a candidate key as the principal means of identifying tuples within a relation, is known to be

  1. Super key
  2. Unique key
  3. Primary key
  4. Superset key
MCQ 1507:

In the model-view-controller (MVC) architecture, the view corresponds to the

  1. Interface layer
  2. Data-access layer
  3. Domain object layer
  4. Business-logic layer
MCQ 1508:

At the physical level a record can be described as a

  1. bit
  2. Byte
  3. Block
  4. Data type
MCQ 1509:

The values of the variables in a program at a point in time correspond to an

  1. Instance of schema
  2. Block of schema
  3. Point in schema
  4. Boundary of schema
MCQ 1510:

The join operation that takes all tuples in left relation that is not matching with any tuple in the right relation, is called

  1. Right outer join
  2. Full outer join
  3. Left outer join
  4. Natural outer join

Database Systems Exam Prep Tests

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DBMS Keys App (Android & iOS)

DBMS Keys App (Android & iOS)

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

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

Zoology App (Android & iOS)

Zoology App (Android & iOS)

Textile Technology App (Android & iOS)

Textile Technology App (iOS & Android)