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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 2 (Chapter 22)

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MCQ 6: Tuples inserted must have the correct number of:

  1. Format
  2. Data size
  3. Attributes
  4. Request

MCQ 7: SQL provides constructs for:

  1. Updation
  2. Insertion
  3. Deletion
  4. All of the Above

MCQ 8: The bulk loader utilities can execute statements much faster than an equivalent sequence of:

  1. Retrieval statements
  2. Insert statements
  3. Update statements
  4. Deletion statements

MCQ 9: In insert and delete, a nested select within an update statement may refer the relation that is being:

  1. Inserted
  2. Deleted
  3. Updated
  4. Retrieved

MCQ 10: Instead of specifying a set of tuples, we can also use the:

  1. Select
  2. Group by
  3. Having
  4. Like

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