Write an extended relational-algebra view equivalent to the Datalog rule p (A,C,D) : q1 (A,B), q2 (B,C),

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Write an extended relational-algebra view equivalent to the Datalog rule p (A,C,D) :– q1 (A,B), q2 (B,C), q3 (4,B), D = B + 1 .

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 28, 2011 05:54 AM

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Write an extended relational-algebra view equivalent to the Datalog rule p (A,C,D) : q1 (A,B), q2 (B,C),

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Let us assume that q1 q2 and q3 a...View the full answer

Database System Concepts

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