SQL Server Latch Classes Library

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SQL Server Latch Classes Library

https://www.sqlskills.com/help/latches/ (Companion SQL Server Wait Types Library) This site lists all latch classes in SQL Server 2005 onward and gives detailed information about where they occur inside SQL Server. I created this site to be a compreh…

SQL Server Wait Types Library

https://www.sqlskills.com/blogs/paul/announcing-the-comprehensive-sql-server-wait-types-and-latch-classes-library/ https://www.sqlskills.com/help/waits/ (Companion SQL Server Latch Classes Library) This site lists all wait types in SQL Server 2005 on…

SQL SERVER 2012启动失败 because upgrade step 'SSIS_hotfix_install.sql' 失败

有台数据库服务器(开发服务器),开发人员邮件告诉我,SSMS连接不了这台服务器,远程登录后,发现SQL SERVER的服务停止了,启动服务时报错,服务启动不了.检查错误日志发现下面一些信息 2015-10-14 13:47:09.98 spid17s The Service Broker endpoint is in disabled or stopped state. 2015-10-14 13:47:10.03 spid17s The Database Mirroring e…

SQL Server Instance无法启动了, 因为TempDB所在的分区没有了, 怎么办?

我的SQL 2014的虚拟机在迁移的时候, 存放TempDB的LUN被删掉了. 在虚拟机的操作系统启动了之后, SQL Server Instance却启动不起来了. 检查Event Log, 报错. 于是, 找到了这篇文章. 其目标是强制SQL Server启动, 并允许接收sqlcmd的修改一些选项的命令. 一旦SQL可以接受命令, 那我们就可以重新指定tempdb的路径了. 然而, 使用文章中的步骤, 我还是无法强制启动SQL Server. 检查Sqlservr.exe /f /c…

SQL Server里的闩锁耦合（Latch Coupling）

几年前,我写了篇关于闩锁和为什么SQL Server需要它们的文章.在今天的文章里,我想进一步谈下非缓存区闩锁(Non-Buffer Latches),还有在索引查找操作期间,SQL Server如何使用它们.在这里你会学到称为闩锁耦合(Latch Coupling)的概念. 索引查找操作(Index Seek Operations) 正如你知道的,SQL Server使用扫描(Scan)和查找(Seek)操作在索引(聚集和非聚集索引)里访问数据.这里的查找操作使用B树的导航结构在叶子节点查找特…

Microsoft SQL Server Trace Flags

Complete list of Microsoft SQL Server trace flags (585 trace flags) REMEMBER: Be extremely careful with trace flags, test in your test environment first. And consult professionals first if you are the slightest uncertain about the effects of your cha…

[转]SQL Server 连接串关键字别名

转自:http://stackoverflow.com/questions/3077412/what-is-the-difference-between-trusted-connection-and-integrated-security-in-a-c ----------------------------------------------- In .Net, there is a class called SqlConnectionStringBuilder that is very us…