Set Operations MCQs Test Online PDF Download

Set operations multiple choice questions (MCQs), set operations test prep to learn online IT degree courses. Learn introduction to sql multiple choice questions (MCQs), set operations quiz questions and answers. Career test prep on set operations, additional basic operations, aggregate functions, nested subqueries aptitude test for online object relational database courses distance learning.

Practice introduction to sql aptitude test MCQs: sql uses special keyword in a predicate to test for a null value, for free online computer science courses with options escape, unknown, known, null for online computer programming degree. Free skills assessment test is for online learning set operations quiz questions with MCQs, exam preparation questions and answers.

MCQ 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