Relational Database Index Design and the Optimizers Год выпуска: 2005Автор: Tapio LahdenmakiИздательство: Страниц: 328ISBN: 9780471719991Описание Improve the performance of relational databases with indexes designed for today?s hardware Over the last few years, hardware and software have advanced beyond all recognition, so it?s hardly surprising that relational database performance now receives much less attention. Unfortunately, the reality is that the improved hardware hasn?t kept pace with the ever–increasing quantity of data processed today. Although disk packing densities have increased enormously, making storage costs extremely low and sequential read very fast, random reads are still painfully slow. Many of the old design recommendations are therefore no longer valid?the optimal point of indexing has come a long way. Consequently many of the old problems haven?t actually gone away?they have simply changed their appearance. This book provides an easy but effective approach to the design of indexes and tables. Using lots of examples and case studies, the authors describe how the DB2, Oracle, and SQL Server...
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Мария, 21.05 Здравствуйте Марина! Вчера была защита диплома.Хочу выразить вам слова благодарности. Диплом очень понравился, оценка 5! Огромное Вам спасибо за вашу работу!Успехов вам! Буду вас рекомендовать всем своим друзьям!
