Database Management System Certification MCQs – Practice Test 3 (Chapter 11)

Relational Algebra and Calculus Quiz with Answers PDF – Download Test 3

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Relational Algebra & Calculus Quiz PDF Download – Practice Test 3

MCQ 11: The branch of calculus which is based on mathematical logic is classified as:

universal calculus
predicate calculus
indicate calculus
local calculus

MCQ 12: In a query tree, the operations of relational algebra are classified as:

internal nodes
external nodes
theta nodes
entity nodes

MCQ 13: The operation which is used to take union of tuples from the relations that are not union compatible is classified as:

FULL UNION operation
JOIN UNION operation
OUTER UNION operation
INNER UNION operation

MCQ 14: If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first and second relation is classified as:

LEFT OUTER JOIN
FULL OUTER JOIN
HALF OUTER JOIN
DOWNWARD JOIN

MCQ 15: The operations which are used to enhance the power of expression of relational algebra includes:

generalized projection
recursive closure operations
outer JOIN operations
all of above

Database Management System Quiz App & e-Book – Relational Algebra & Calculus Certification Guide

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