Set Operations MCQs Quiz Online PDF Book Download

Set operations multiple choice questions (MCQs), set operations quiz answers to learn CS courses for online data analyst degree. Introduction to sql MCQs with answers, set operations quiz questions and answers for online information technology associate's degree. Learn set operations test prep for data science certification.

Learn introduction to sql test MCQs: if any of input values is null, result of an arithmetic expression, would be, with choices 0, null, 1, and undefined for online information technology associate's degree. Practice merit scholarships assessment test, online learning set operations quiz questions for competitive assessment in computer science major for big data certification.

MCQ on Set Operations Quiz Book Download

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

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

B

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

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

D

MCQ: Union operation automatically eliminates duplicates, unlike the

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

A

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

C

MCQ: SQL set operations include

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

D