Database Systems MCQs - Chapter 10

Formal Relational Query Languages Quiz Questions and Answers PDF - 15

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Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 15

MCQ 71: The tuple relational calculus language is of type

Nonprocedural
Formal
Processed
Structure

MCQ 72: The expression that would produce a relation containing the tuples in r but not in s, is

r + s
r - s
r / s
r ^ s

MCQ 73: A relation basically is by definition a subset of a

Selection
Projection
Union
Cartesian product

MCQ 74: For the union operation, the relations r and s must be of the same

Structure
Definition
Arity
Declaration

MCQ 75: A query that involves a Cartesian product includes a

Projection operation
Selection operation
Union operation
Set-intersection operation

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