随着GIS应用的扩大，多用户并发操作成为空间数据引擎的基本要求。
With the expanding of GIS application, multi-user concurrent operation becomes the basic demand for spatial data engine.
空间数据引擎是实现空间数据库的核心，能有效存储和管理空间数据。
Being the kernel of spatial database, spatial database engine is capable of managing and maintaining spatial data efficiently.
为使对象关系数据库更方便存储和查询空间数据，空间数据访问引擎的设计是关键。
The design of spatial data accessing engine is the key for object RDMBS to memory and query spatial data.
文章首先叙述了空间数据存储管理的历程，并比较了各阶段的优缺点，然后重点分析了空间数据引擎(SDE)这一关键技术。
In this paper we present the phylogeny of storage and management of spatial data and compare shortcoming and virtue and then especially analyses the SDEs work.
构建空间数据访问引擎，实现对大范围、多尺度地理信息的管理和基本操作。
Building a spatial data accessing engine, it can finish majority works of spatial data and manage big range and multi-scale geographic information.
空间数据引擎是实现海量空间数据存储和管理的解决方案。
Spatial data engine as a solving project is helpful to realize the mass spatial data's storage and management.
文章详细论述了空间数据库的建设目标、技术指数、空间数据库引擎以及数据库建设的技术要点、数据库的更新、安全管理等，并进行了讨论。
This paper discusses the purpose, index, engine, technical essentials, regeneration of database and management in safety related to spatial database construction in details.
空间数据引擎是实现空间数据库的核心技术。
The Research and Implementation of Spatial Database Engine Based on Oracle;
空间数据引擎是实现空间数据库的核心技术。
The Research and Implementation of Spatial Database Engine Based on Oracle;
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