In a database mirroring configuration, the server instance on which the mirror database resides.principal database In database mirroring, a read-write database whose transaction log records are applied to a read-only copy of the database (a mirror database).principal...
Database mirroring is supported in SQL Server Standard and Enterprise. Database mirroring offers substantial availability and provides an easy-to-manage alternative or supplement to failover clustering or log shipping. When a database mirroring session is synchronized, database mirroring provides a hot...
1,数据库镜像(database mirroring)只能在两个实例,也就是说只能保留用来灾难恢复的数据库备份两份,不像replication可 …liaihua19830913.blog.163.com|基于699个网页 2. 资料库镜像 实作资料库镜像(Database Mirroring)最少需要两个SQL Server 2008 执行个体,一个为主体资料库伺服器(Principle Server)另一 …pt80...
Learn about the interoperability of using database snapshots with database mirroring to offload reporting in SQL Server.
若要在資料庫鏡像工作階段中監視狀態變更,請使用 資料庫鏡像狀態變更 事件類別。 如需詳細資訊,請參閱 Database Mirroring State Change Event Class。在同步處理完成之後,主體資料庫上認可的每項交易,也都會在鏡像伺服器上認可,以確保資料的安全。 達成同步處理的做法是:直到主體伺服器收到鏡像伺服器傳來的訊息,...
How to: Start the Configuring Database Mirroring Security Wizard (SQL Server Management Studio) How to: Add a Database Mirroring Witness Using Windows Authentication (Transact-SQL) How to: Create a Mirroring Endpoint for Windows Authentication (Transact-SQL) ...
DatabaseMirroringPayload 类型公开以下成员。 方法 展开表 名称说明 AddDatabaseContext(StringCollection) 将数据库上下文添加到 queries 参数标识的查询集合。 (从 SqlSmoObject 继承。) AddDatabaseContext(StringCollection, ScriptingOptions) 将数据库上下文添加到 queries 参数标识的查询集合,并且使用指定的脚本选项...
SQLServer:Database Mirroring 性能对象包含报告有关 SQL Server 数据库镜像的性能计数器。 下表列出了此对象包含的计数器。备注 在SQL Server的未来版本中将删除此功能。 请避免在新的开发工作中使用该功能,并着手修改当前还在使用该功能的应用程序。 请改用 Always On 可用性组。
Create Endpoint Mirroring_Endpoint State= Started as TCP (Listener_Port=5001) For Database_Mirroring (Role=Partner); 对于ServerC(将用作见证服务器),将 (Role=Partner) 更改为 (Role=Witness),并运行此语句。这样会控制每个实例所侦听的 TCP 端口。
For more information, see Database Mirroring Sessions. As soon as the mirror database becomes synchronized, the state of both the copies of the database changes to SYNCHRONIZED. Synchronous operation is maintained in the following manner: On receiving a transaction from a client, the principal ...