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Titlebook: Oracle Exadata Survival Guide; David Fitzjarrell,Mary Mikell Spence Book 2013 David Fitzjarrell and Mary Spence 2013

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楼主: 休耕地
发表于 2025-3-23 10:05:55 | 显示全部楼层
Exadata Basics,s undergone several changes in its short history, from storage solution to complete database appliance. Although it is not yet a household name, the number of Exadata installations has increased to the point where it will soon become commonplace in data centers across the country. So, what . Exadata
发表于 2025-3-23 17:05:15 | 显示全部楼层
Smart Scans and Offloading,ervers for processing. This “divide-and-conquer” approach is one reason Exadata is able to provide such stellar performance. It’s accomplished by the configuration of Exadata, where database servers and storage cells offer computing power and the ability to process queries, owing to the unique stora
发表于 2025-3-23 20:02:17 | 显示全部楼层
Storage Indexes,tree index, bitmap index, LOB index, and others, but this is a far different construct, with a very different purpose, from any index you may have seen outside of Exadata. Designed and implemented in a unique fashion, with a purpose that is very different from any conventional index, a storage index
发表于 2025-3-24 00:03:42 | 显示全部楼层
Parallel Query, its heart, a data-warehousing system, and efficient handling and processing of data-warehouse workloads was a primary design goal, parallel query processing is an important feature. Remember that Smart Scans and offloading rely on direct-path reads, the same read functionality that is used by paral
发表于 2025-3-24 02:35:59 | 显示全部楼层
Compression,th tokens, mnemonics that can represent much larger strings and values. Two types of compression are offered on systems not using Exadata-type storage: Basic and OLTP. Basic compression is available without the Advanced Compression licensing. A third compression option, Hybrid Columnar Compression (
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