Sometimes when we attempting to login the SQL Server 20xx Management Studio, when we type in the correct password, it fails with: "A network-related or instance-specific error occured while establishing a connection to SQL Sercer. The server was not…

原文:无法使用SQL login去登陆SQL Server - 'Password did not match' 出自:http://blogs.msdn.com/b/apgcdsd/archive/2011/02/01/sql-login-sql-server-password-did-not-match.aspx 问题描述: 在某一台机器上的management studio,始终无法使用SQL login去登陆SQL Server.但是如果在其他的机器上,使用同样的SQL login是可以…

When you install SQL Server 2012 and you try to connect to SSIS services, you cannot due to that the SSIS service not running. When you manually try to start the SSIS service the service may fail due to login failure of the service account. By Defaul…

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…

http://support.microsoft.com/kb/224453 Summary In this article, the term "connection" refers to a single logged-on session of the database. Each connection appears as a Session ID (SPID). Each of these SPIDs is often referred to as a process, al…

Link: http://sudeeptaganguly.wordpress.com/2010/04/20/how-to-enable-sa-account-in-sql-server/ 引用: When you install the SQL Server using Windows Authentication mode, by default, the “sa” account is disabled. Sometimes, due to users/customers request,…

P6 Professional Installation and Configuration Guide (Microsoft SQL Server Database) 16 R1       May 2016 Contents About This Guide...................................................................................... 11 Shared Topics in This Guide .…

本篇文章是SQL Server安全系列的第十一篇,详细内容请参考原文. SQL Server审核SQL Server审核是指你可以在数据库或服务器实例监控事件.审核日志包含你选择捕获的事件的列表,在服务器上生成数据库和服务器对象.主体和操作的活动记录.你几乎可以捕获任何发生的事情的数据,包括成功和不成功的登录,读.更新.删除的数据,管理任务,以及更多.审核可以深入到数据库和服务器.这似乎有点奇怪存在办法回头追溯那些已经发生的事件.但审核日志往往是你用于检测攻击的第一和最佳的资源,特别是当攻击只探…

原文:利用Ring Buffer在SQL Server 2008中进行连接故障排除 出自:http://blogs.msdn.com/b/apgcdsd/archive/2011/11/21/ring-buffer-sql-server-2008.aspx SQL Server 2008中包含一个新功能,旨在帮助解决特别棘手的连接问题.这个新功能是Connectivity Ring Buffer,它可以捕捉每一个由服务器发起的连接关闭记录(server-initiated connection…

原文:2. SQL Server数据库状态监控 - 错误日志 无论是操作系统 (Unix 或者Windows),还是应用程序 (Web 服务,数据库系统等等) ,通常都有自身的日志机制,以便故障时追溯现场及原因.Windows Event Log和 SQL Server Error Log就是这样的日志, PS: SQL Server 中的错误日志 (Error Log) 类似于 Oracle中的alert 文件. 一. 错误日志简介 1. Windows事件日志与SQL Server 错误日志…

第一步 从注册表读取SQL SERVER启动信息 (1)Audit  Level:设置SQL SERVER是否记录用户登陆信息 Login Mode:设置SQL SERVER登陆类型是只接受windows账户,还是混合登陆(windows与SQL SERVER账号都可) (2)启动参数 -d:master数据库路径 -l:master日志路径 -e:错误日志路径 (3)网络配置信息 SQL SERVER会侦听哪几个网络协议,以及每个网络协议的配置.…

本篇文章是SQL Server安全系列的第十一篇,详细内容请参考原文. SQL Server审核SQL Server审核是指你可以在数据库或服务器实例监控事件.审核日志包含你选择捕获的事件的列表,在服务器上生成数据库和服务器对象.主体和操作的活动记录.你几乎可以捕获任何发生的事情的数据,包括成功和不成功的登录,读.更新.删除的数据,管理任务,以及更多.审核可以深入到数据库和服务器.这似乎有点奇怪存在办法回头追溯那些已经发生的事件.但审核日志往往是你用于检测攻击的第一和最佳的资源,特别是当攻击只探…

今天遇到的问题比较有意思.首先是很久没有打开测试数据库了,今天打开,使用service程序测试的时候出现下面的错误提示:Message: System.Data.SqlClient.SqlException: Login failed for user 'dcp_prod'.  Reason: The password of the account has expired.很明显,这个是因为密码失效了,dcp_prod这个账户使用了密码失效策略,打开数据库查看这个账户的属性,果然,Enforce…

http://azure.microsoft.com/en-us/documentation/articles/virtual-machines-provision-sql-server/ Provisioning a SQL Server Virtual Machine on Azure The Azure virtual machine gallery includes several images that contain Microsoft SQL Server. You can sel…

SQL SERVER升级2017 摘要 本文只介绍了SQL SERVER升级到2017(在简单环境下),分为开始升级前的检查事项,升级操作步骤,升级后对新实例的配置. 检查事项 1.检查当前版本是否可以升级到2017 SQL Server 2017 (14.x) supports upgrade from the following versions of SQL Server: SQL Server 2008 SP4 or later SQL Server 2008 R2 SP3 or lat…

无扫描SQL Server发现简介 当您没有凭据或正在寻找不在域中的SQL Server时,使用各种扫描技术来查找SQL Server可能非常有用.但是,此过程可能很嘈杂,耗时,并且可能由于子网未知,使用非标准端口以及广播域限制而错过服务器.当我在Active Directory中遇到服务主体名称(SPN)时,我知道我已经找到了在域中快速查找SQL Server的快捷方式. Microsoft的文档指出:" 服务主体名称(SPN)是客户端用来唯一标识服务实例的名称."这意味着Windo…

      早晨宁波那边的IT人员打电话告知数据库无法访问了.其实我在早晨也发现Ignite监控下的宁波的数据库服务器出现了异常,但是当时正在检查查看其它服务器发过来的各类邮件,还没等到我去确认具体情况,就收到了电话.我首先检查网络是否畅通,结果发现网络没有问题,然后远程登录到该服务器,查看了一下数据库的服务发现其运行正常,但是在本机使用MSSMS管理工具亦无法连接数据库,当下有两种方案:方案一:使用DAC登录数据库,检查具体情况,方案二:直接去查看错误日志,查看具体错误信息.于是为了快点找到原…

You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9596    Accepted Submission(s): 4725 Problem Description Many geometry(几何)problems were designed in the ACM/I…

前言 若你的企业使用SQL Server数据库镜像为容灾技术. 那你一定做过在镜像切换之前要新建Login,而且若Login密码不同,要修改链接数据库的字符串,在切换完之后则仍需要给数据库重新赋予权限. 若真的是这样做,不仅麻烦而且业务故障时间将会拉长,我们需要做到新建的Login与之前的密码完全一样,而且可自动根据原有数据库用户链接到Login,数据库级别权限不用从新处理. 思路 有了这样的思路则Login的信息备份需要考虑两点: 1.一定要获取用户的SID,以保证镜像切换后能自动连接到log…

Error: when click "New Database Diagram", a error popped up and said "Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (Microsoft.VisualStudio.OLE.Interop)" Related Link: https://so…

EXECUTE AS LOGIN/USER和Revert表达式都是从SQL Server 2005就有.Revert的作用是用于切换当前过程的执行上下文返回上一个EXECUTE AS 语句发生之前的安全上下文.Revert可以在存储过程.ad-hoc环境下.用户定义函数中使用.Revert是和 EXECUTE AS LOGIN/USER配合起来使用的. 这里需要先讲一个执行上下文(Execution Context)的概念.当一个用户开启一个会话到SQL Server之后,整个会话的权限检查都是…

You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10204    Accepted Submission(s): 5042 Problem Description Many geometry(几何)problems were designed in the ACM/…

今天安装SQL Server时遇到一个恶心的Bug. ------------------------------------------------------------------------------------------------ 安装环境:Windows Server 2008 R2 Enterprise Sp1 安装介质:en_sql_server_2008_r2_enterprise_x86_x64_ia64_dvd_520517.iso(安装完成的版本应该是Microso…

题目传送门 /* 题意:告诉一个区间[L,R],问根节点的n是多少 DFS+剪枝:父亲节点有四种情况:[l, r + len],[l, r + len - 1],[l - len, r],[l - len -1,r]; */ #include <cstdio> #include <algorithm> #include <cstring> #include <cmath> #include <queue> using namespace std;…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Solve this interesting problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1731    Accepted Submission(s): 519 Problem Description…

称号: You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 145 Accepted Submission(s): 100   Problem Description Many geometry(几何)problems were designed in the ACM/IC…

pid=1086">You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6997    Accepted Submission(s): 3385 Problem Description Many geometry(几何)problems were designe…

You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 199    Accepted Submission(s): 132   Problem Description Many geometry(几何)problems were designed in the ACM/…

http://acm.hdu.edu.cn/showproblem.php?pid=1086 You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8861    Accepted Submission(s): 4317 Problem Description Many…

You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12959    Accepted Submission(s): 6373 Problem Description Many geometry(几何)problems were designed in the ACM/…