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Chapter 10: Database Systems Exam Tests

Database Systems MCQs - Chapter 10

# Formal Relational Query Languages Multiple Choice Questions (MCQ) PDF - 1

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## Formal Relational Query Languages MCQ Quiz : Test 1

MCQ 1: A second form of relational calculus, is known as

A) Domain relational calculus
B) Relational calculus
C) Tuple relational calculus
D) Attribute relational calculus

MCQ 2: In a natural join if the two are equivalent in an expression, is said to be

A) Definitive
B) Predictive
C) Associative
D) Assignment

MCQ 3: The predicate of a selection statement may include comparisons between

A) Two attributes
B) Multiple attributes
C) Two relations
D) Multiple relations

MCQ 4: In the relational algebra, the select, project, and rename operations are known as

A) Dimensional operations
B) Multidimensional operations
C) Unary operations
D) Binary operations

MCQ 5: The operation of projection is a

A) Dimensional operations
B) Multidimensional operations
C) Unary operations
D) Binary operations

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