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MCQ

Q.

An expression in the domain relational calculus is of the form

A

{P(x1, x2, . . . , xn) | < x1, x2, . . . , xn > }

B

{x1, x2, . . . , xn | < x1, x2, . . . , xn > }

C

{ x1, x2, . . . , xn | x1, x2, . . . , xn}

D

{< x1, x2, . . . , xn > | P(x1, x2, . . . , xn)}

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