Description: Collection of learning introductory information the database SQL Server 2008 R2 Database Mirroring Deployment " database mirroring" is a high availability for database software-based solutions. It maintains a database of two identical copies, two copies were placed in a different SQL Server database instance. Recommend the use of two servers in different locations to carry. At the same time, one stage of the database used for client access, acting as " principal server" role while another is based on the configuration and state of the mirroring session, to act as hot backup server, or " mirror server role" , the two kind of role is not absolute.
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SQL+Server+2008+R2镜像构建.doc
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