单用户模式

• Sql server setup requires single user mode to complete an upgrade to sql server 2005
  Sql server安装程序需要在单用户模式下完成到sql server 2005的升级。
• Do not start database engine tuning advisor when sql server is running in single - user mode
  当sql server以单用户模式运行时，不要启动数据库引擎优化顾问。
• But the database has been put in single - user mode by using the alter database statement
  之外的其他数据库，但已使用alter database语句将该数据库置于单用户模式。
• Before upgrading , make sure that no applications or services are trying to access the database
  升级之前，将数据库置于单用户模式，并确保当前没有应用程序或服务试图访问该数据库。
• You then go to the command prompt and start sql server express in single user mode by using the following command
  然后转到命令提示符下并使用以下命令在单用户模式下启动sql server express ：
• Single - user mode specifies that only one user at a time can access the database and is generally used for maintenance actions
  单用户模式指定一次只有一个用户可访问数据库，该模式通常用于维护操作。
• You can start sql server with a variety of options such as single - user mode , minimal configuration mode , or with trace flags
  可以使用各种选项（例如单用户模式、最低配置模式）或跟踪标志启动sql server 。
• Before you rename a database , you should make sure that no one is using the database and that the database is set to single - user mode
  在重命名数据库之前，应该确保没有人使用该数据库，而且该数据库设置为单用户模式。
• When you start an instance of sql server in single - user mode , only a single user can connect , and the checkpoint process is not started
  在单用户模式下启动sql server实例时，只能连接一个用户，并且不启动checkpoint进程。
• This topic describes how to set a user - defined database to single - user mode by using object explorer in sql server management studio
  本主题说明了如何使用sql server management studio中的对象资源管理器将用户定义数据库设置为单用户模式。