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Which of the following Relational Algebra operations require that both tables (or virtual

Which of the following Relational Algebra operations require that both tables (or virtual

Which of the following Relational Algebra operations require that both tables (or virtual tables) involved have the exact same attributes/data types?

(a)Join, Projection, Restriction
(b)Multiplication and Division
(c)Union, Intersection, Minus
(d)Minus, Multiplication, Intersection
(e)Projection, Selection, Rename.

Johnson 27-Dec-2017

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