IBM 联邦数据库技术(三)
hose stores will be relational database management systems, but often from different manufacturers; for instance, one company may have used primarily Sybase, and another Informix IDS. They may both have one or more document management systems -- such as Documentum or IBM Content Manager -- for storing text documents such as copies of loans, etc. Each may have applications that compute important information (for example, the risk of a loan to a given customer), or mine for information about customers' buying patterns.
After the merger, they need to be able to access all customer information from both sets of stores, analyaze their new portfolios using existing and new applications, and, in general, use the combined resources of both institutions through a common interface. The
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