Set Operations MCQs Quiz Online PDF Download

Learn set operations MCQs, database management system test for online learning courses, test prep to practice test. Introduction to sql quiz has multiple choice questions (MCQ), set operations quiz questions and answers, additional basic operations, aggregate functions, set operations tutorials for online object relational database courses distance learning.

Database management system practice test MCQ: if any of input values is null, result of an arithmetic expression, would be with choices 0, null, 1 and undefined with online interview questions and answers for pre-employment exams of jobs placements. Free study guide is for online learning set operations quiz with MCQs to practice test questions with answers.

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

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