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Aggregate Functions MCQs Quiz Online PDF Download eBook

Solve Aggregate Functions Multiple Choice Questions (MCQ), aggregate functions quiz answers PDF database practice test for online degree programs. Learn introduction to sql Multiple Choice Questions and Answers (MCQs), "Aggregate Functions Quiz" questions and answers for 2 year computer science degree. Learn overview of sql query language, sql data definition, basic structure of sql queries test prep for top computer science schools in the world.

"To specify duplicate retention, we can use the keyword in place of distinct, which is" Multiple Choice Questions (MCQ) on aggregate functions with choices select distinct, duplicate, whole, and all for 2 year computer science degree. Practice aggregate functions quiz questions for merit scholarship test and certificate programs for CS major.

MCQs on Aggregate Functions PDF Download eBook

MCQ: To specify duplicate retention, we can use the keyword in place of distinct, which is

  1. Select distinct
  2. Duplicate
  3. Whole
  4. All

D

MCQ: If the tuples are satisfying the where predicate, then they are placed into groups by the

  1. Having clause
  2. Group by clause
  3. Like clause
  4. Distinct clause

B

MCQ: The clause that apply the aggregate functions to get a single result tuple for each group, is known to be

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

A

MCQ: SQL standard says that the sum operator should ignore an input of

  1. 0s
  2. 1s
  3. Null value
  4. strings

C

MCQ: The groups that do not satisfy the having clause predicate are

  1. Applied
  2. Removed
  3. Retrieved accordingly
  4. Not retrieved

B