ALTERDATABASE[MyDB]SETMULTI_USERWITHROLLBACKIMMEDIATE 报错: Msg 5064, Level 16, State 1, Line 1 Changes to the state or options of database 'MyDB' cannot be made at this time. The database is in single-user mode,
以下示例展示了在改变数据库状态时的修复前后对比: -ALTER DATABASE [数据库名] SET SINGLE_USER;+ALTER DATABASE [数据库名] SET MULTI_USER; 1. 2. 性能优化 数据库状态切换后,系统性能也需要关注,特别是在同时有多个用户操作的情况下。 基准测试 通过基准测试,我们可以比较不同模式下的性能差异: 通过以上...
actor User package "SQL Server DB" { [Database] --> [Connection] [Connection] --> [Session] note right of [Session] : 单用户模式 } User --> [Database] : 连接请求 User --> [Connection] : 检查状态 @enduml 在用到的配置中有一个重要的参数:single_user。而Mathematics的公式可以帮助我们...
在将数据库设置为 SINGLE_USER 之前,应验证 AUTO_UPDATE_STATISTICS_ASYNC 选项是否设置为OFF。 在此选项设置为ON时,用于更新统计信息的后台线程将与数据库建立连接,你将无法以单用户模式访问数据库。 有关详细信息,请参阅ALTER DATABASE SET 选项 (Transact-SQL)。
I realize that in case of rebuiding a master database, we will have to enter into a single-user mode for the sql server instance instead of multi-user mode. Can any of you ...
If other users are connected to the database at the time that you set the database to single-user mode, their connections to the database will be closed without warning. The database remains in single-user mode even after the user that set the option is disconnected. At that point,...
\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn1213sqlservr.exe-c-m1415--SQL20001617--普通数据库,只需在企业管理器中,选择数据库属性,恶访问选项,但用户即可;如果是Master Database,就需要一句查询命令:1819USEMASTER20GO21SP_DBOPTION YOURDATABASE,'SINGLE USER',TRUE222324--SQL200525--26--...
本文介紹tempdb系統資料庫,這是一個全域資源,適用於所有連線到 SQL Server、Azure SQL Database 或 Azure SQL 受控實例中 Database Engine 實例的使用者。 概觀 tempdb系統資料庫是一種全域資源,其保存了: 明確建立的用戶物件。 包括: 這些資料表上的全域或本地臨時資料表和索引 ...
To restore amasterdatabase on Linux in single-user mode, seeRestore the master database on Linux in single-user mode. General considerations When you start an instance of SQL Server in single-user mode, note the following: Only one user can connect to the server. ...
Sets Transact-SQL and query processing behaviors to be compatible with the specified version of the Database Engine.