9781333143015 - random b-trees with inserts and deletes (classic reprint) de johnson, t. (3 resultados)
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Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de AmericaPBShop.store US
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EUR 24,78
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
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Librería: PBShop.store UK, Fairford, GLOS, Reino UnidoPBShop.store UK
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EUR 24,35
Envío por EUR 3,84Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 15 disponibles
PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
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Librería: Forgotten Books, London, Reino UnidoForgotten Books
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Paperback. Condición: New. Print on Demand. This book analyzes how the utilization of B-tree nodes under mixed insert and delete operations affects the number of levels in a B-tree and its performance. It derives analytical and simulational equations for the utilization of B-trees constructed from a mixture of insert and delete…operations. The author shows that the utilization is 39% when the number of inserts is the same as the number of deletes. However, if there are just 5% more inserts than deletes, the utilization is over 62%. The book calculates the probabilities of splitting and merging, presenting a simple rule-of-thumb to estimate the probability of splitting accurately. The book also models B-trees that merge half-empty nodes and compares them to B-trees that merge empty nodes. This book will be of interest to database management system designers and users. 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.
