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METHOD OF GENERATING DATABASE SCHEMA TO PROVIDE INTEGRATED VIEW OF DISPERSED INFORMATION AND INTEGRATING SYSTEM OF INFORMATION
METHOD OF GENERATING DATABASE SCHEMA TO PROVIDE INTEGRATED VIEW OF DISPERSED INFORMATION AND INTEGRATING SYSTEM OF INFORMATION
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机译:生成数据库架构以提供分散信息集成视图的方法和信息集成系统
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摘要
A kind of method, in order to generate can be obtained from data source desired data integrated view generate a database schema disperse and be stored in the different formats of different positions, provide a kind of data integrated system. This method comprises: it is regular, it is used to analyze the content of structure and the database described in a specification normative language, generates semantically framework corresponding with database, determine the data items for needing to generate an integrated view. In addition, expressing an integrated view to generate a global schema, the part of XQuery grammers will be introduced for local mode, express a single database, and the definition that canonical representation is used to express a Data View is included. Correspondingly, the integrated view that a kind of data integrated system can produce the various heterogeneous databases for being dispersed in a network puts up inquiry by using a specification normative language in real time.
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