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商品描述
This book is a deep dive into perhaps the single-most important facet of good performance: indexes, and how to best use them. The book begins in the shallow waters with explanations of the types of indexes and how they are stored in databases. Moving deeper into the topic, and further into the book, you will look at the statistics that are accumulated both by indexes and on indexes. You’ll better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. The final destination is a guided tour through a number of real life scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database.
- Defines the types of indexes and their implementation options
- Provides use cases and common patterns in applying indexing
- Describes and explain the index metadata and statistics
- Provides a framework of strategies and approaches for indexing databases
商品描述(中文翻譯)
這本書深入探討了良好性能中或許是最重要的面向:索引,以及如何最佳化使用它們。書籍從淺顯的內容開始,解釋索引的類型及其在資料庫中的儲存方式。隨著主題的深入,您將了解索引所累積的統計數據以及針對索引的統計數據。您將更好地理解索引在資料庫中的作用,以及可以採取哪些措施來減輕和改善它們對性能的影響。最終的目標是通過多個實際案例的導覽,展示您可以採取的調查、減輕和改善資料庫性能的方法。
- 定義索引的類型及其實作選項
- 提供應用索引的使用案例和常見模式
- 描述並解釋索引的元數據和統計數據
- 提供一套索引資料庫的策略和方法框架