IDS supports XML publishing functions to transform the results of an SQL query to XML for use in XML applications and even in heterogeneous database environment.
IDS支持XML发布函数，这些函数可以将SQL查询的结果转换为XML，以便在XML应用程序甚至异构的数据库环境中使用。
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 powerful data operation functions are necessary for a heterogeneous database interoperation system.
强大的数据操作功能是异构数据库互操作系统所必不可少的。
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。
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。
The thesis discusses the related theory of integrating the heterogeneous database, the traditional integrating means and problems.
论文讨论了异构数据库集成的相关理论、传统集成方法及其存在的问题。
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。
Encapsulated with ODBC and OCI, the UDB CLI can not only interconnect the heterogeneous database but also improve the performance of the system.
封装了ODBC和OCI的通用数据库接口，可以实现异构数据库的互连，同时可以提高系统的性能。
By both practical and theoretical, research in heterogeneous database integration makes important sense for more and more heterogeneous databases.
由于数据库异构现象越来越普遍，研究异构数据库集成无论在理论还是实际应用上都具有非常重要的意义。
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。
At present the technique of heterogeneous database integrating includes database transference and transform, much database system and middleware technique.
集成系统目前研究和采用的技术有数据库迁移和转换、多数据库系统和中间件技术。
With the growing of database's heterogeneities, the replication technology of heterogeneous database has become a key area of database replication research.
在数据库异构程度不断加深的情况下，异构数据库复制技术的研究已成为数据库复制研究的重点。
By communicating with the heterogeneous database by calling a series of database functions, the UDB interface is universal, simple, extensible and can be optimized.
通过数据库调用函数来实现对异构数据库的操作，该通用数据库接口具有通用、简单、可扩展、可优化等特点。
Then, this paper deeply investigated the three difficult problems of the system, such as exception handling, security right controlling and heterogeneous database access.
然后，就系统的三个难点问题——异常处理、安全权限控制和异构数据库访问进行了深入的研究。
How to shield the difference among the distributed heterogeneous database is the primary problem to be solved to implement the mutual visiting among the multiple databases.
如何屏蔽分布在不同站点上的异构数据库之间的差异，是实现多个数据库互访要解决的首要问题。
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。
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。
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。
The database applications based on distributed and heterogeneous problems are increasing rapidly, and the architecture of inter-access of heterogeneous database needs to be perfected and updated.
随着数据库实践中基于分布、异构问题的进一步增多，异构数据库互访的实现需要进一步完善和更新。
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。
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。
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