Database Systems MCQs (Computer Science) From Textbook

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Database Systems Entrance Exam MCQs – Mock Test 109

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The Quiz: The DDL statement updates the; "Relational Databases" App Download [Free] with answers: data record, data file, data flow, and data dictionary for computer and information science. Learn Introduction to DBMS Questions and Answers, Apple iBook to download free chapter to learn software engineering courses.

Relational Databases Quiz – Mock Test 109 PDF Download

MCQ: 541

The DDL statement updates the

  1. Data file
  2. Data Record
  3. Data dictionary
  4. Data Flow
MCQ: 542

If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the

  1. Integrity
  2. Constraint
  3. Atomicity
  4. Isolation
MCQ: 543

When we define a view, the database system stores the

  1. Definition of view
  2. Structure of view
  3. Domain of view
  4. Declaration of view
MCQ: 544

The level of abstraction that describes how the data is actually stored, is known as

  1. Virtual level
  2. Logical level
  3. View level
  4. Physical level
MCQ: 545

The SQL comparison <> all is identical to the operator

  1. In
  2. As
  3. Not IN
  4. Not As

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