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SQL Server 2017 查询性能调优：诊断和优化查询性能，第五版

English | PDF,EPUB | 2018 | 947 Pages | ISBN : 1484238877 | 65.4 MB

Identify and fix causes of poor performance. You will learn Query Store, adaptive execution plans, and automated tuning on the Microsoft Azure SQL Database platform. Anyone responsible for writing or creating T-SQL queries will find valuable the insight into bottlenecks, including how to recognize them and eliminate them. This book covers the latest in performance optimization features and techniques and is current with SQL Server 2017. If your queries are not running fast enough and you’re tired of phone calls from frustrated users, then this book is the answer to your performance problems.

SQL Server 2017 Query Performance Tuning is about more than quick tips and fixes. You’ll learn to be proactive in establishing performance baselines using tools such as Performance Monitor and Extended Events. You’ll recognize bottlenecks and defuse them before the phone rings. You’ll learn some quick solutions too, but emphasis is on designing for performance and getting it right. The goal is to head off trouble before it occurs.

What You'll Learn Use Query Store to understand and easily change query performance Recognize and eliminate bottlenecks leading to slow performance Deploy quick fixes when needed, following up with long-term solutions Implement best practices in T-SQL to minimize performance risk Design in the performance that you need through careful query and index design Utilize the latest performance optimization features in SQL Server 2017 Protect query performance during upgrades to the newer versions of SQL Server

Who This Book Is For Developers and database administrators with responsibility for application performance in SQL Server environments. Anyone responsible for writing or creating T-SQL queries will find valuable the insight into bottlenecks, including how to recognize them and eliminate them.


识别并解决性能不佳的原因。你将学习如何在微软Azure SQL Database平台上使用Query Store、自适应执行计划和自动化调优技术。任何负责编写或创建T-SQL查询的人都会发现有关瓶颈的见解，包括如何识别它们以及消除它们的方法。 本书涵盖了最新的性能优化功能和技术，并与SQL Server 2017保持同步。如果你的查询运行得不够快，并且你厌倦了被愤怒用户的电话打扰，那么这本书就是解决你的性能问题的答案。 SQL Server 2017 查询性能调优不仅涉及快速的技巧和解决方法。你会学习如何使用Performance Monitor和Extended Events等工具来建立性能基线，从而主动识别并消除瓶颈。你会在电话铃声响起前化解这些瓶颈。你会学到一些快速解决方案，但重点在于设计以实现性能，并确保正确实施。目标是在问题发生之前加以防范。 你将学会利用Query Store理解以及轻松更改查询的性能 学会识别和消除导致缓慢性能的瓶颈 需要时部署快速解决方法，并随后采取长期方案 通过采用最佳实践来最小化T-SQL中出现性能风险的可能性 通过精心设计查询和索引来实现所需的设计性能 充分利用SQL Server 2017中的最新优化功能 保护在新版本SQL Server升级期间查询的性能 这本书的目标读者是负责在SQL Server环境中应用程序性能的应用开发人员和数据库管理员。任何人如果负责编写或创建T-SQL查询，都会发现有关瓶颈的理解以及如何识别并消除它们的价值。
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