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Database Systems Study Guide: Mock Test 302

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

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The DBMS Keys Multiple Choice Questions (MCQ) with Answers PDF (DBMS Keys MCQs PDF e-Book) download Ch. 14-302 to study Database Systems Practice Tests. Study Introduction to RDBMS quiz answers PDF, DBMS Keys Multiple Choice Questions (MCQ Quiz) for online computer science programs. The Database Systems MCQ App Download: Free DBMS Keys App to study 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, superset key, and primary key for online computer science programs. Practice Introduction to RDBMS Questions and Answers, Google Book 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

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