Database Systems MCQs – Practice Test 6 (Chapter 10)

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Formal Relational Query Languages MCQ – Practice Test 6 PDF Download

MCQ 26: Composition of relational-algebra operations to relational-algebra expressions is similar to composition of:

Arithmetic operations
Geometric operations
Logarithmic operations
Boolean operations

MCQ 27: The generated outputs of relational-algebra expressions do not have identities, which is used for:

Reference
Comparison
Validate
Retrieval

MCQ 28: Complete information of the right relation is displayed in the result of the:

Full outer join
Natural outer join
Right outer join
Left outer join

MCQ 29: The Greek letter that is used for denotion of selection is:

alpha
beta
gamma
sigma

MCQ 30: The theta join operation is a variant of the:

Natural join
Compound join
Composite join
Assignment join

Formal Relational Query Languages MCQ App & e-Book – Database Systems Entrance Exam

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Formal Relational Query Languages MCQs

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