Question: Give conditions under which the following expressions are equivalent: where agg denotes any aggregation operation. How can the above conditions be relaxed if agg is

Give conditions under which the following expressions are equivalent:A,BY agg(C) (E E) and (Yagg(c)(E)) E

where agg denotes any aggregation operation. How can the above conditions be relaxed if agg is one of min or max?

A,BY agg(C) (E E) and (Yagg(c)(E)) E

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