保存动态、分布式、层次的和有状态信息要求一个不同的基础设施,它不是以关系数据库为中心的。
Storing stateful information that is dynamic, distributed and hierarchical requires a different infrastructure that is not relational database centric.
将这项技术应用于油田中的地质图绘制方面,解决了油田中多层分布式异构数据库的访问、管理和地质图件的动态生成问题。
This technology solves the problems of access and management of the multi-tier distribution heterogeneous databases for oilfields and dynamic generation of geologic maps.
针对分布式并行数据库系统DPDBS中数据库副本数、数据库分布等信息的动态性,提出全局数据目录的动态管理和维护算法。
Aiming at the dynamic characteristic of the data directory in distributed and parallel database system (DPDBS), the dynamic arithmetic for whole data directory is put forward.
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