DB 2luw下的每个数据库都拥有其独有的目录表，即每个db2子系统保存目录表。
While each database in DB2 LUW holds its exclusive catalog tables, it is every DB2 subsystem that holds catalog tables.
但是，对于REFRESHIMMEDIATE 类型的系统维护的MQT，可以通过对底层表的更改（即insert、update或delete操作）来更新。
However, REFRESH IMMEDIATE system-maintained MQTs are updated with changes made to the underlying tables as a result of insert, update, or delete operations.
抄表系统采用CLIENT-SERVER结构，即采用一台PC服务器带多只下位机抄表仪的方式。
The kilowatt-hour meter reading system adopts CLIENT-SERVER structure that is to use a PC with multiple lower level reading meters method.
并在此基础上，通过分析数据缓存系统的特点，提出针对缓存一致性问题的解决方法，其中重点阐述为本文所提缓存系统模型而设计的一种改进方法，即目录表法。
After analyzing characteristics of data caching, several solutions to problem of cache coherence are offered and a new directory lists method is designed for the cache system.
该系统的设计主要包括两个组成部分，即远程抄表硬件系统的设计和远程抄表管理信息系统的设计。
The design of this system includes two components mainly, one is the hardware design of the system and the other is the management information system design.
该系统的设计主要包括两个组成部分，即远程抄表硬件系统的设计和远程抄表管理信息系统的设计。
The design of this system includes two components mainly, one is the hardware design of the system and the other is the management information system design.
应用推荐