分布式数据库系统 ddbs distributed database system; distributed data base system; sdd system for distributed database 功能分布式数据库 functionally distributed database .
The Inquiry Optimization in The DistributedDataBaseSystem;
查询优化在关系数据库系统中起着非常重要的作用。
2
In the extensive distributeddatabasesystem, the data base duplication plays a very key role to the dependability and efficiency of the system.
在大规模的分布式数据库系统中,数据库复制对于系统的可靠性及效率起着非常关键的作用。
3
The functions of system and some related key technologies, such as distributed CAE data management, model basesystem, collaborative assistant tools were discussed in detail.