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Database Systems Practice Tests

Database Systems Online Tests

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Relational Algebra MCQ Quiz PDF Download: Database Systems MCQs

MCQ 1: In a natural join if the two are equivalent in an expression, is said to be

A) Definitive
B) Predictive
C) Associative
D) Assignment

MCQ 2: The predicate of a selection statement may include comparisons between

A) Two attributes
B) Multiple attributes
C) Two relations
D) Multiple relations

MCQ 3: In the relational algebra, the select, project, and rename operations are known as

A) Dimensional operations
B) Multidimensional operations
C) Unary operations
D) Binary operations

MCQ 4: The operation of projection is a

A) Dimensional operations
B) Multidimensional operations
C) Unary operations
D) Binary operations

MCQ 5: The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as

A) Embedded Projection
B) Extended Projection
C) Generalized Projection
D) Aggregation Projection

Database Systems Practice Tests

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