Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 2 (Chapter 22)

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The MCQ: Tuples inserted must have the correct number of; "SQL Interview Questions and Answers MCQ" App (Android, iOS) with answers: data size, format, attributes, and request to study database certification courses. Practice Database Authorization Quiz Questions, download Apple Book (Free Chapter) for online software development courses.

SQL Interview Questions and Answers MCQ – Practice Test 2 PDF Download

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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