Replication,我们常用的是Transactional Replication。可以支持单向和双向的数据同步。工作在Table Level。由于基于transaction,(内部使用了类似Snapshot链出改变页的方法),他的同步单位较小,在实践中,往往只需要几分钟的时间就可以得到最新的数据。缺点,虽然允许Replication Schema Change,但是对于真正的DDL修改的时候有时需要...
Database replication vs. mirroring While data mirroring is sometimes positioned as an alternative approach to data replication, it is actually a form of data replication. In relational database mirroring, complete backups of databases are maintained for use in the case that the primary database fai...
Database mirroring can be used in conjunction with replication to improve availability for the publication database. Database mirroring involves two copies of a single database that typically reside on different computers. At any given time, only one copy of the database is currentl...
Replication Agent Executables Concepts 建议将“-PublisherFailoverPartner”添加到代理配置文件,然后在配置文件中指定镜像名称。 例如,如果您通过存储过程配置复制,请执行以下操作: -- Execute sp_help_agent_profile in the context of the distribution database to get the list of profiles. -- Selec...
Database mirroring can be used in conjunction with replication to improve availability for the publication database. Database mirroring involves two copies of a single database that typically reside on different computers. At any given time, only one copy of the database is currently...
The database mirroring for replication is documented @ https://msdn2.microsoft.com/en-us/library/ms151799.aspx One important point you should not is that for database mirroring to work, you should be running SQL Server services under a domain account (by default it is under LOCAL SY...
对于能很好地向外扩展的专用报告解决方案,可以考虑复制。 有关详细信息,请参阅SQL Server Replication。 示例 下面的示例将对镜像数据库创建快照。 假定数据库镜像会话的数据库为AdventureWorks2022。 此示例在AdventureWorks数据库(位于驱动器F中)的镜像副本中创建了三个数据库快照。 分别将这些快照命名为AdventureWorks_...
1. 数据库镜像 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 Se...
(For more information, see "Database Mirroring and Replication" in the Implementation section later.)Client-side RedirectIn SQL Server 2005, if you connect to a database that is being mirrored with ADO.NET or the SQL Native Client, your application can take advantage of the drivers' ability ...
(For more information, see "Database Mirroring and Replication" in the Implementation section later.) Client-side Redirect In SQL Server 2005, if you connect to a database that is being mirrored with ADO.NET or the SQL Native Client, your application can take advantage of the drivers' ...