Set Operations MCQs & Quiz Online PDF Book Download

Set operations MCQs, set operations quiz answers to learn data analytics courses online. Introduction to sql multiple choice questions (MCQs), set operations quiz questions and answers for data science online degree. Sql data definition, nested subqueries, aggregate functions, basic structure of sql queries, 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 data science online degree. Practice assessment test for scholarships, 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