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Database Systems MCQs

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Relational Operations Multiple Choice Questions (MCQ) to practice relational operations quiz answers PDF, relational operations worksheets for online degrees. Solve rdbms interview questions and answers Multiple Choice Questions and Answers (MCQs), "Relational Operations Quiz Questions" and answers for computer majors. Learn rdbms interview questions and answers test prep for free online classes.

"The operation that performs a set union of two similarly structured tables, is known as" Multiple Choice Questions (MCQ) on relational operations with choices *union operation, join operation, cartesian product operation, and intersection operation* for computer majors. Solve relational operations quiz questions for merit scholarship test and certificate programs for best online schools for computer science.

1.

The operation that performs a set union of two similarly structured tables, is known as

Union operation

Join operation

Cartesian Product operation

Intersection operation

a

2.

The relational algebra operation that return rows of the input relation that satisfy the predicate, is known as

Projection

Selection

Natural join

Union operation

b

3.

Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be

Natural join

Union operation

Projection

Selection

c

4.

The relational operations have the nice and desired property that their result is always

Pair of relations

Single relations

Sequence of relations

No relations

b

5.

Specifically, the result of a relational query is a

Relational

Sequence

Operation

Domain

a

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