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Chapter 11: Database Management System Exam Tests

Database Management System MCQs - Chapter 11

Relational Algebra and Calculus Quiz Questions and Answers PDF - 7

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Relational Algebra & Calculus Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: In relational calculus, the expression which does not guarantees finite number of tuples is classified as

A) unsafe expression
B) safe expression
C) declarative expression
D) stable expression

MCQ 32: In unary relational operations, the PROJECT operation is partition of relation usually classified as

A) horizontal partition
B) vertical partition
C) insert partition
D) delete partition

MCQ 33: The JOIN operation in which two attributes joined have same name in both relations is classified as

A) UNNATURAL JOIN
B) THETA JOIN
C) ALPHA JOIN
D) NATURAL JOIN

MCQ 34: Consider two tuples A and B, the operation whose result includes tuples that are included in both relations is classified as

A) intersection of relation A and B
B) difference of relation A and B
C) square of relation A and B
D) union of relation A and B

MCQ 35: The operation which is used to select the subset of tuples by satisfying the selection constraint and the selection is made from relation is classified as

A) CHOOSE operation
B) SELECT operation
C) NON-SELECT operation
D) SUBSET operation

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Relational Algebra & Calculus App (Android & iOS)

Relational Algebra & Calculus App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Digital Logic Design App (Android & iOS)

Digital Logic Design App (Android & iOS)

Computer Networks App (Android & iOS)

Computer Networks App (Android & iOS)