The Response Time Analysis feature in SolarWinds®Database Performance Analyzer (DPA) is built to help you identify bottlenecks, pinpoint their root causes, and prioritize your actions based on the impact poor SQL Server performance tuning has on end users, so you can deliver noticeable performan...
An expression that does not use SARG operators does not improve performance, because the SQL Server Compact Edition query processor has to evaluate every row to determine whether it meets the filter clause. Therefore, an index is not useful on expressions that do not use SARG operators. Non-...
《SQL Server 2005性能调校》以定义、架构为出发点,深入探讨SQL Server的运行原理,并说明如何通过适当的工具去探索数据库有关性能的相关问题。笔者期望能以在业界管理SQLServer的相关经验,并参考文献中的相关信息,能为读者在面临数据库性能问题时,提供一些有效的解决方法。 作者简介 ··· 现任恒逸资讯资深讲师、微软...
本书是 SQL Server DBA 进行性能调校不可或缺的参考资料，通过阅读本书，DBA 可以在实践中不断提升自己的技能，为复杂多变的数据库环境提供稳定、高效的解决方案。
30 分钟快快乐乐学 SQL Performance Tuning 有些程序员在撰写数据库应用程序时,常专注于 OOP 及各种 framework 的使用,却忽略了基本的 SQL 语句及其「性能 (performance)优化」问题。版工曾听过台湾某半导体大厂的新进程序员,所组出来的一段 PL/SQL 跑了好几分钟还跑不完;想当然尔,即使他的 AJAX 及ooxx框架用...
And as expected, SQL Server scans the data in parallel. Lets do the same again but changing the direction of the ordering.Query6:SQL Server now choses a Clustered Scan but does not process the descending order clause with a parallel scan even while the Estimated Subtree Cost is ov...
SQL Server 6.x vs. 7.0 Performance Tuning Comparative Information展开表 SQL 6.x SQL Server 7.0 enhancements and philosophies There were many configuration options to consider during performance tuning. One major enhancement to SQL Server 7.0 is that the database engine has become largely self-...
SQL Server性能优化(1) – Performance - Tuning Query Analyzer Execution plan.
出版年:2003-6 页数:540 定价:$ 56.49 ISBN:9781590591642 豆瓣评分 目前无人评价 评价: 推荐 内容简介· ··· Queries are one of the fundamental tools for manipulating data within SQL Server, and knowledge o f them is a necessity. This book uses a focused and practical approach to provide...