Integration of heterogeneous database is focus in database field.
异构数据集成是数据库领域研究的热点问题。
Based on these, a model of integration of heterogeneous database based on JMS and XML is developed, and the realization of its key problems is given.
本文基于这两个关键问题，提出了一种基于JMS和XML的异构数据库集成模型，并给出了关键问题的实现。
The first step of Ontology-based semantic integration of heterogeneous database is to build ontology. The quality of ontology has a direct impact on further application and research.
基于本体的异构数据库的语义集成，首先就是要对本体进行构建。本体构建质量的高低直接影响了进一步的应用和研究效果。
It's very important to research the technology of translating relational data to XML document for translation and integration of heterogeneous database as well as for data publication.
关系数据向XML数据的转换技术成为实现异构数据转换、异构数据集成和数据发布的重要研究内容。
Combined with enterprise information integration technology. this article advanced a standard integration of heterogeneous data sources that called virtual database model based on XML.
本文结合当前企业信息集成技术，提出了一种统一的异构数据源集成模型——基于XML的虚拟数据库模型。
The metadata method for Flood Control General DataBase (FCGDB) integration is proposed in accordance with the distributed and heterogeneous characteristics of FCGDB.
根据防汛综合数据库的异构、分布特征，提出集成防汛综合数据库的元数据方法。
It analyzes the mapping between the RDBS and XML, then proposes a new schema of heterogeneous database integration based on XML and presents implementation method of main parts in details.
重点分析了XML与关系数据库之间的映射，提出了一种以xml作为中间件的异构数据库集成方案，并对其中的主要环节给出了具体实现。
And also by using the principle and mechanism of ODBC interface technique PB to access the database, this paper provides a solution based on ODBC middleware for heterogeneous database integration.
提出了用PB的ODBC接口访问数据库的原理和机制，为异构数据库的集成提供了一种基于ODBC中间件的解决方案。
This thesis makes a deep research to data integration of digital library heterogeneous database by the method of the combination of XML technology and middleware technology.
本文选取XML技术与中间件技术相结合的方法，进行数字图书馆异构数据库的数据整合研究。
Decomposition and optimization of global query is one of hard problems in heterogeneous database integration.
全局查询的分解与优化是异构数据库的集成中许多难题之一。
According to the edge of XML in the data integration and exchange, the paper resents a XML-based heterogeneous database integration middleware.
本文以XML在数据集成和交换上的优势，提出了一个基于XML的异构数据库集成中间件的解决方案。
First researched the essential reason of database middleware in the application of heterogeneous integration, introduced the theory, characteristics and common technique of database middleware.
首先研究了数据库中间件在异构集成应用中存在的必要性，介绍了数据库中间件的理论知识、特点和常用技术。
The information integration for the LSPP heterogeneous environment is implemented by use of the technologies of database and product data management (PDM).
采用数据库和工程数据管理技术（PDM）实现电站异构环境下的信息集成。
Data warehousing provides an interesting alternative to the traditional approach of heterogeneous database integration described above.
对于异种数据库集成的传统方法，数据仓库提供了一个有趣的替代方案。
Data warehousing is also very useful from the point of view of heterogeneous database integration.
从异种数据库集成的角度看，数据仓库也是十分有用的。
The information integration for the NPP heterogeneous environment is implemented by the use of technologies of database and product data management (PDM).
采用数据库和工程数据管理技术实现核电厂异构环境下的信息集成。
Two main problems we solve are: establishment of the campus' virtual database; integration access heterogeneous data.
其中主要解决了两个问题：校园综合信息平台系统的建立和异构数据的集成访问。
Two main problems we solve are: establishment of the campus' virtual database; integration access heterogeneous data.
其中主要解决了两个问题：校园综合信息平台系统的建立和异构数据的集成访问。
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