Database Systems MCQs

Database Systems MCQ Questions - Topic

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"In a natural join if the two are equivalent in an expression, is said to be" MCQ PDF: relational algebra with choices *definitive, predictive, associative, and assignment* for online degrees. Learn relational algebra quiz questions for merit scholarship test and certificate programs for associates in computer science.

**MCQ**: In a natural join if the two are equivalent in an expression, is said to be

Definitive

Predictive

Associative

Assignment

c

**MCQ**: The predicate of a selection statement may include comparisons between

Two attributes

Multiple attributes

Two relations

Multiple relations

a

**MCQ**: In the relational algebra, the select, project, and rename operations are known as

Dimensional operations

Multidimensional operations

Unary operations

Binary operations

c

**MCQ**: The operation of projection is a

Dimensional operations

Multidimensional operations

Unary operations

Binary operations

c

**MCQ**: The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as

Embedded Projection

Extended Projection

Generalized Projection

Aggregation Projection

c

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