Relational Algebra Quiz

Relational Algebra Quiz

University

16 Qs

quiz-placeholder

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Relational Algebra Quiz

Relational Algebra Quiz

Assessment

Quiz

Engineering

University

Practice Problem

Medium

Created by

Sanjiv Agrawal

Used 9+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The relational Algebra is a ____________ Query language.

Procedural

Relational

Logical

Structured

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are the fundamental operations in the Relational Algebra?

All of the Above

Union and set Difference

Project and Cartesian product

Select and Project

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The select, project and rename operations are called____

None of the above

Unary operations

Ternary Operations

Binary operations

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the Binary Operations?

Rename, union, Set difference

Cartesian product, union, set difference

Set difference, Union, Project

Cartesian product, Set difference and project

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The select operation selects tuples that satisfy a given predicate. We use the lowercase______ to denote selection.

Greek letter sigma (σ)

Greek letter Pi (π)

Greek letter rho (ρ)

Greek letter tau (τ)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following operation allows us to produce a relation listing all loan numbers and the amount of the loans?

Cartesian product

Union

Set difference

Project

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Binary operation Union, denoted, as in the set theory by _____

ρ

π

U

σ

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