Computer Science Online Courses

Chapter 14: Database Systems Exam Tests

Database Systems MCQs - Chapter 14

Introduction to RDBMS Multiple Choice Questions (MCQ) PDF - 6

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Introduction to RDBMS Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: For all relations r, the domains of all attributes of r be

  1. Integrated
  2. Consistent
  3. Asserted
  4. Atomic

MCQ 27: It is customary to list the primary key attributes of a

  1. Relation schema
  2. Relation instance
  3. Relation tuple
  4. Relation attribute

MCQ 28: Query languages can be categorized into

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types

MCQ 29: 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 30: A different diagrammatic representation other than schema diagram is known as the

  1. Unstructured diagram
  2. Semi-structured diagram
  3. Structured diagram
  4. Entity-relationship diagram

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