Which set of operators represents the complete set for relational

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Which set of operators represents the complete set for relational algebra?

Which set of operators represents the complete set for relational algebra?

(a)Union, Difference, Projection, Selection, Cartesian Product
(b)Selection, Cartesian Product, Projection, Union, Intersection
(c)Cartesian Product, Projection, Selection, Difference, Intersection
(d)Join, Union, Projection, Selection, Difference
(e)Difference, Projection, Selection, Join, Intersection.

Johnson 29-Dec-2017

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Which set of operators represents the complete set for relational algebra?

Which set of operators represents the complete set for relational algebra?

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