提高Rdb/VMS数据库存取速度的措施

THE METHOD OF IMPROVING THE ACCESS SPEED OF RDB / VMS DATABASE

本文结合胜利油田物资管理系统开发、运行的实际情况,从关系的规范化、索引的使用及存取模式的选取等方面阐述了优化数据库存取操作的措施.此外,还将简单介绍Rdb/VMS 3.0以上版本在提高存取速度方面所作的主要工作。

The article expounds the method of improving the access speed of database in the respects of the normalization, the use of index and choice of access modes, and presents the main respects of improving the access speed of Rdb/VMS 3.0. These viewpoints have been proved in developing the management information system of the Shcngli Oil Field.