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Database Systems Entrance Exam MCQs – Mock Test 109

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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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