工程数据库中多库多记录的存储管理

STORAGE MANAGEMENT OF MULTI-BASE AND MULTI-RECORD IN ENGINEERING DATA BASE

本文根据工程数据库的现状及应用的需要提出了一种基于工作区的多库多记录的存储管理策略．该方法以最大限度地利用内存空间、减少Ｉ／Ｏ次数及提高系统效率为目的，并允许用户自定义工作区的大小及工作区中的内容，为改善工程数据库的性能提供了一个有益的模式．

A storage management approach, which is based upon multi-base and multi-record is presented in accordance with the current situation and application of the engineering data base. The approach provides a useful model for improving the performance of engineering data base. Trough the approach, the internal storage is fully used, the input/output (I/O) is reduced and the efficiency of the system is enhanced. The user is allowed to define the size and contents of workspace by himself.