Database Systems MCQs - Chapter 10

Formal Relational Query Languages MCQ (Multiple Choice Questions) PDF - 6

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The MCQ: Composition of relational-algebra operations to relational-algebra expressions is similar to composition of; "Formal Relational Query Languages" App Download Android & iOS (Free) with answers geometric operations, arithmetic operations, logarithmic operations and boolean operations to study online training courses. Practice relational algebra quiz questions, download Apple Book (Free Sample) for BSc computer science.

Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 6

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

A) Arithmetic operations

B) Geometric operations

C) Logarithmic operations

D) Boolean operations

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

A) Reference

B) Comparison

C) Validate

D) Retrieval

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

A) Full outer join

B) Natural outer join

C) Right outer join

D) Left outer join

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

A) alpha

B) beta

C) gamma

D) sigma

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

A) Natural join

B) Compound join

C) Composite join

D) Assignment join

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