- 1、本文档共59页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
善用索引提升查询之效能-Microsoft
效能工具 Performance Profiler / SQL Trace Management Studio Reports / Performance Dashboard Reports Stress Test: Concepts, Tools Tuning Advisor SQLDiag 案例說明 Data Type 精確 加解密 CPU, multi-thread Process: Replication distribution agent 多個資料檔案 EMC tempdb join 失敗 transfer object task 失敗 Lock transaction (index improve update) with(xlock) Scale out table variable * 顯示執行計畫的 SQL 指令 圖形化查詢執行計畫 * * * 觀察磁碟 I/O 之差異 利用系統檢視觀察索引使用情況 * * SELECT * FROM sys.dm_db_index_physical_stats (DB_ID(NAdventureWorks), OBJECT_ID(NPerson.Address), NULL, NULL , DETAILED); * * * 比較覆蓋索引的效能差異 比較覆蓋索引 INCLUDE 的效能差異 * 比較有無索引檢視的效能差異 * 檢查欄位是否可以建立索引 比較有無計算欄位+索引的效能差異 * 用查詢計畫建議要建立統計 統計過期造成誤判 如何利用統計提升效能 * SLIDETITLE INCLUDE=4Skills assessment/SLIDETITLE KEYWORDSAssessment, Microsoft Learning, Certification/KEYWORDS KEYMESSAGEMicrosoft Learning provides a free online learning tool./KEYMESSAGE SLIDEBUILDS0/SLIDEBUILDS SLIDESCRIPT Microsoft Skills Assessment is a free online learning tool. It’s an easy way for IT professionals to check their skills. You can quickly check your skills for implementing or managing Microsoft products or business solutions. Just take a short, 30-question assessment and see how well you know your stuff. The Skills Assessment includes a Personalized Learning Plan, which includes links to Microsoft Official Curriculum, specific TechNet articles, Microsoft Press books, and other Microsoft learning content. There’s also a way to measure how well you did compared with others who took the same assessment. Microsoft Skills Assessment is an expanding learning platform. Available now are assessments for Windows Server? 2003, including security and patch management; Exchange Server 2003; Windows Storage Server; Office 2003; and Visual Studio? .NET. /SLIDESCRIPT SLIDETRANSITION TRANSITION LENGTH=4If you want to take your skills assessment to the next level, a number of certification programs are available./TRANSITION /SLIDETRANSITION COMMENT/COMMENT ADDITIONA
文档评论(0)