string connectionString = "Server=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;"; 4. 查看SQL Server的防火墙设置 防火墙设置可能阻止你的计算机访问SQL Server。请确保SQL Server的端口(默认为1433)在防火墙中是开放的。
but they are not identical. When a login has CONTROL SERVER, it can still be blocked from some activities by a DENY permission. But sysadmin doesn't get blocked by a DENY. If you have CONTROL SERVER on the instance of SQL Server but cannot access a database, you might be blocked by ...
The server principal 'X' is not able to access the database 'Y' under the current security context (Microsoft SQL Server, Error:916) Note In this error message,Xis a placeholder for the user name.Yis a placeholder for the database name. Therefore, you cannot access any databases in the...
Database showing synchronized on both nodes. Availability group state: Healthy, configured normal quorum and Fileshare witness and node 1, node 2 all three has 1 vote and state is online. The question is i cannot access database when i stopped SQL service on one of nodes. Failover ...
看看你的SQL软件和服务是不是没有开启。
SELECTdp.nameASDatabaseUserName,dp.type_descASUserTypeFROMsys.database_principals dpWHEREdp.name='YourUserName'; 1. 2. 3. 如果查询未返回用户信息,说明该用户未映射到数据库,您需要重新创建映射。 检查SQL Server 服务账户权限 在某些情况下,SQL Server 的服务账户权限可能会影响用户权限的分配。如果可能,...
错误3:Access denied 下面的时序图展示了错误触发的链路过程: SQLServerUserSQLServerUserAttach databaseCheck permissionsAccess denied 对于错误日志,我们可以参考以下代码块进行分析: -- 错误日志示例 Error: 5120, Severity: 16, State: 101. Cannot open the file "C:\Data\myDatabase.mdf". Operating system ...
此篇主要介绍的是SQL Server启动过程中关于用户数据库加载的流程,并且根据加载过程中所遇到的一系列问题提供解决方案。 其实SQL Server作为微软的一款优秀RDBMS,它启动的过程中,本身所带的那些系统库发生问题的情况相对还是很少的,我们在平常使用中,出问 的大部分集中于我们自己建立的用户数据库。 而且,相对于侧重面而...
SQL Server 损坏修复 目录: 一. 常见错误解读 二. DBCC CHECKDB 三.不同部位损坏的应对 四. Database Mirroring和AlwaysOn的页面自动修复功能 一 常见错误解读 SQL Server 对数据库损坏的错误类型做了细化,在此对几个典型的错误作一下介绍。 错误信息是:“在文件 '%ls'中、偏移量为 %#016I64x 的位置执行 ...
SQL Server A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions. 14,494 questions 2 answers Report Builder does not launch correctly, cannot resize window, access menus, borders, or controls due to window exceedin...