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Synopsis
Excerpt from Query Processing in a Symmetric Parallel Environment
Assume each relation partitioned on A attribute using hash function. Joining S with T first and then R wi requires three repartitionings, since 5 is already partit on A.
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Query Processing in a Symmetric Parallel Environment (Classic Reprint)
Print on DemandSeller: Forgotten Books, London, United Kingdom
Seller rating 5 out of 5 stars
Paperback. Condition: New. Print on Demand. This book addresses query processing in a database machine consisting of 11 nodes connected by high-bandwidth networks, theorizing that symmetric parallel architecture is ideal for high-speed relational query processing. Each node comprises a processor, random access memory, and a slower but much larger memory. To approach optimal speedup on this hardware architecture, relations are partitioned roughly evenly among the processors. The author explores optimizing multi-join queries under this data distribution strategy, where optimization entails minimizing the number of times relations are redistributed during a query. They find that this optimization problem, while NP-complete for general queries, is linear for a subclass of tree queries. This book will intrigue database engineers seeking to accelerate relational query processing, and computer scientists engaged in database theory and algorithm design. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781332092970_0
Quantity: Over 20 available
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Query Processing in a Symmetric Parallel Environment Classic Reprint
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
Seller rating 5 out of 5 stars
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332092970
Quantity: 15 available
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Query Processing in a Symmetric Parallel Environment Classic Reprint
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
Seller rating 5 out of 5 stars
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332092970
Quantity: 15 available