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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.

Dec 29 2017 View more View Less

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

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