Query in Heterogeneous Databases Using of XML and ADO .NET
利用XML和ADO .NET技术实现异构数据库查询

With the rapid development of computer technology and enterprise information, the application of MIS( Management Information System) has made a great process, it become more and more important to share and exchange information. To exchange and share information among these heterogeneous databases, so that users can manage and apply these heterogeneous databases just like a single data source, this paper put an idea of heterogeneous databases integration based on XML and ADO. NET, and also make a detailed exposition of key technology.