| 书目名称 | Expert T-SQL Window Functions in SQL Server | | 编辑 | Kathi Kellenberger,Clayton Groom | | 视频video | | | 概述 | Expert T-SQL Window Functions in SQL Server helps you write fantastically better performing queries by replacing slow cursors and self-joins with newly-introduced window functions. | | 图书封面 |  | | 描述 | .Expert T-SQL Window Functions in SQL Server. takes you from any level of knowledge of windowing functions and turns you into an expert who can use these powerful functions to solve many T-SQL queries. Replace slow cursors and self-joins with queries that are easy to write and fantastically better performing, all through the magic of window functions. .First introduced in SQL Server 2005, window functions came into full blossom with SQL Server 2012. They truly are one of the most notable developments in SQL in a decade, and every developer and DBA can benefit from their expressive power in solving day-to-day business problems. Begin using windowing functions like ROW_NUMBER and LAG, and you will discover more ways to use them every day. You will approach SQL Server queries in a different way, thinking about sets of data instead of individual rows. Your queries will run faster, they will be easier to write, and they will be easier to deconstruct and maintain and enhancein the future. .Just knowing and using these functions is not enough. You also need to understand how to tune the queries. .Expert T-SQL Window Functions in SQL Server .explains clearly how to get the best performance | | 出版日期 | Book 20151st edition | | 版次 | 1 | | doi | https://doi.org/10.1007/978-1-4842-1103-8 | | isbn_ebook | 978-1-4842-1103-8 | | copyright | Kathi Kellenberger and Clayton Groom 2015 |
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发表于 2025-3-21 16:20:45
