Database Systems MCQs - Chapter 10

Formal Relational Query Languages Multiple Choice Questions (MCQs) PDF Download - 5

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Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Representation of projection can be made by the uppercase Greek letter

alpha
pi
sigma
gamma

MCQ 22: The join operation that is known to work in a manner similar to the natural join operation, is

Outer join
Full join
Inner join
Combine join

MCQ 23: The natural join is a

Unary operation
Structural operation
Non structural operation
Binary operation

MCQ 24: A special case of multisets, which have only one copy of each element, is known to be

Sets
Elements
Associator
Aggregator

MCQ 25: Instead of rename operation it is possible for attributes to use a

Positional notation
Nonpositional notation
Fixed notation
Logical notation

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