复制是将一组数据从一个数据源拷贝到多个数据源的技术，是将一份数据发布到多个存储站点上的有效方式。使用复制技术，用户可以将一份数据发布到多台服务器上，从而使不同的服务器用户都可以在权限的许可的范围内共享这份数据。复制技术可以确保分布在不同地点的数据自动同步更新，从而保证数据的一致性。-Replication is a set of data copied from one data source to multiple data sources of technology, is a data distribution to multiple storage sites and effective way. Using replication technology, users can publish a copy of the data to multiple servers, so that the different server users can license the rights to share the data within. Replication in different locations to ensure the data is automatically synchronized to ensure data consistency.