Land resource management need to gain the cadastre data from the distributed and heterogeneous database.
从分布异构的地籍数据库提取数据，实现国家地籍数据总归户。
It introduces the characteristic, connection and transfer technology about the distributed heterogeneous database in this article.
文中介绍了分布异构数据库的特征和连接技术，以及数据交换技术。
The local data and the distributed heterogeneous database lie in database server.
数据库服务器用来存放本地数据和链接分布式异构数据库。
Extracting and integrating available data form distributed heterogeneous database, which is the pivotal technology.
从分布异构数据库中提取有用数据以及数据整合，是信用系统的核心技术。
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。
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。
Since distributed spatial database will be the main data source of Internet GIS, we have to cope with the intercommunication between heterogeneous databases and systems.
随着空间数据获取能力的飞速发展，分布式存储管理的空间数据库将成为网络GIS的主要数据源。
Based on the unified data modeling, this resolution realizes the uniform request service to distributed heterogeneous spatial data by metadata and multi-database system.
该解决方案通过建立统一的数据模型，使用元数据与多数据库系统实现了对分布的异构的空间数据的统一访问请求服务。
Based on the unified data modeling, this resolution realizes the uniform request service to distributed heterogeneous spatial data by metadata and multi-database system.
该解决方案通过建立统一的数据模型，使用元数据与多数据库系统实现了对分布的异构的空间数据的统一访问请求服务。
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