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Chapter 10: Database Systems Exam Tests

Database Systems MCQs - Chapter 10

Formal Relational Query Languages Quiz Questions and Answers PDF - 3

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Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: The Cartesian product operation concatenates the

A) Tuples of the two relations
B) Instances of the two relations
C) Attributes of the two relations
D) Renames of the two relations

MCQ 12: The outer join basically have forms of operation of

A) 2 types
B) 3 types
C) 4 types
D) 5 types

MCQ 13: The operation that works like assignment in a programming language, is said to be

A) Union operator
B) Assignment operator
C) Natural join operator
D) Set difference operator

MCQ 14: A natural join allows combination of certain selections and a Cartesian product into

A) One operation
B) Two operations
C) Multiple operations
D) No order operation

MCQ 15: The expression r -s represents a

A) Arity
B) Unity
C) Projection
D) Set-difference

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Formal Relational Query Languages App (Android & iOS)

Formal Relational Query Languages App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Operating Systems App (Android & iOS)

Operating Systems App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)