Computer Science Degree Courses

Database Systems Quizzes

Database Systems Quiz Answers - Complete

Aggregate Functions Interview Questions with Answers PDF p. 267

Aggregate Functions interview questions and answers, aggregate functions trivia questions PDF 267 to practice Database Systems exam questions for online classes. Practice Introduction to SQL MCQ questions, aggregate functions Multiple Choice Questions (MCQ) for online college degrees. Aggregate Functions Interview Questions PDF: database keys, functional dependency theory, additional basic operations, modification of database, aggregate functions test prep for online bachelor's degree computer science.

"A Boolean data type that can take values true, false, and unknown, was introduced in" MCQ PDF with choices sql:1998, sql:1998, sql:1999, and sql:2000 for cheapest online computer science degree. Learn introduction to sql questions and answers to improve problem solving skills for computer majors.

Trivia Quiz on Aggregate Functions MCQs

MCQ: A Boolean data type that can take values true, false, and unknown, was introduced in

SQL:1998
SQL:1998
SQL:1999
SQL:2000

MCQ: After the deletion operation, the relation

Still exists
Doesn't exists
Is empty
Both A and B

MCQ: SQL allows us to search for mismatches instead of matches by using the

Like operator
AS operator
NOT Like operator
NOT AS operator

MCQ: A simpler technique for reasoning about functional dependencies, is known as

Union
Decomposition
Pseudotransitivity
Axioms

MCQ: Specifying tuples within a given relation, are expressed in terms of the

Attributes
Variables
Function
Domain