How does a query tree represent a relational algebra expression? What is meant by an execution of

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How does a query tree represent a relational algebra expression? What is meant by an execution of a query tree? Discuss the rules for transformation of query trees, and identify when each rule should be applied during optimization.

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Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

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Question Posted: Nov 10, 2021 03:43 AM

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How does a query tree represent a relational algebra expression? What is meant by an execution of

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This includes transforming an initial expression tree into an equivalent expressi...View the full answer

Fundamentals Of Database Systems

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