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Database Systems Practice Tests


Database Systems Online Tests

Aggregate Functions MCQ Quiz Online PDF Download

The Book Aggregate Functions Multiple Choice Questions (MCQ Quiz) with answers, Aggregate Functions MCQ Quiz PDF download to study online database systems degree courses. Practice Introduction to SQL Multiple Choice Questions and Answers (MCQs), Aggregate Functions quiz answers PDF for 2 year computer science degree. The e-Book Aggregate Functions MCQ App Download: additional basic operations, aggregate functions, nested subqueries test prep for top computer science schools in the world.

The MCQ: To specify duplicate retention, we can use the keyword in place of distinct, which is PDF, "Aggregate Functions" App Download (Free) with select distinct, duplicate, whole, and all choices for 2 year computer science degree. Study aggregate functions quiz questions, download Amazon eBook (Free Sample) for CS major.

Database Systems MCQs: Aggregate Functions Quiz Questions PDF Download

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

A) Select distinct
B) Duplicate
C) Whole
D) All

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

A) Having clause
B) Group by clause
C) Like clause
D) Distinct clause

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

A) Select clause
B) From clause
C) Where clause
D) Distinct clause

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

A) 0s
B) 1s
C) Null value
D) strings

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

A) Applied
B) Removed
C) Retrieved accordingly
D) Not retrieved

Practice Tests: Database Systems Exam Prep

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