Set Operations MCQs & Quiz Online PDF Book Download

Set operations multiple choice questions (MCQs), set operations quiz answers to learn online CS courses for database management online classes. Introduction to sql MCQs, set operations quiz questions and answers for online information technology associate's degree. Learn sql data definition, nested subqueries, aggregate functions, basic structure of sql queries, set operations test prep for data science certification.

Learn introduction to sql MCQ: 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 exams in computer science major .

MCQs on Set Operations PDF 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