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Question

The expression of generalized projection can be written as

a.

π F1, F2, Fn ( R )

b.

θ F1, F2, Fn ( R )

c.

σ F1, F2, Fn ( R )

d.

β F1, F2, Fn ( R )

Posted under DBMS

Answer: (a).π F1, F2, Fn ( R )

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Q. The expression of generalized projection can be written as