Set Operations MCQs Quiz Online PDF Download

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MCQs on Set Operations Quiz PDF Download

MCQ: If any of input values is null, result of an arithmetic expression, would be

  1. 0
  2. Null
  3. 1
  4. Undefined


MCQ: SQL uses special keyword in a predicate to test for a null value

  1. Escape
  2. Unknown
  3. Known
  4. Null


MCQ: Union operation automatically eliminates duplicates, unlike the

  1. Select clause
  2. From clause
  3. Define clause
  4. Where clause


MCQ: Duplicate tuples must be eliminated, when query uses clause

  1. Select Clause
  2. Where Distinct Clause
  3. Select distinct Clause
  4. From Distinct Clause


MCQ: SQL set operations include

  1. Union
  2. Intersect
  3. Except
  4. All of the Above