This chapter presents the introducing power station site personnel management system of meaning, the software development platform, data management system, database call way.

Each database call needs a new session and transaction.

每次数据库调用需要一个新会话和事务。

Backup in DB2 is a database copy, together with control information, ready to be restored in the event of a failure.

DB2中的备份是一个数据库以及控制信息的副本，可以用于恢复错误事件。

Gridscale from xkoto provides another multiple database copy solution with sophisticated synchronization processes as well as load balancing.

xkoto中的Gridscale提供了另一种多重数据库副本解决方案，这种解决方案具有高级的同步过程和负载平衡。

If the database copy is intended for production, repeat the tuning process.

如果复制数据库是为了进行生产，那么应当重复调优过程。

And if Automatic Client Reroute is used in conjunction with HADR, client applications can automatically be rerouted to the DR database copy or site in the event of a failover.

如果结合使用Automatic Client Reroute和HADR，在发生故障转移时，客户机应用程序可以自动地重新路由到DR数据库拷贝或站点。

The database size has a minimal impact on performance.

数据库的大小对性能影响很小。

Small, in terms of users and/ or database size

·就用户和/或数据库规模而言，是小的

What is the database size limit?

数据库大小的限制是什么？

The problems with database size boil down to a more fundamental problem, however.

然而，数据库大小的问题还会引起更重大的问题。

Map layer, graphics edit, database view, database structure operation, information search etc can operate this system.

本系统由图层操作、图形编辑、数据库浏览、数据库结构操作、信息查询等功能组成。

You can make the SQL query on the predefined BPC database view.

您可以在预定义的BPC数据库视图上执行SQL查询。

Clients connect to a single database view comprised of four cluster members with shared storage.

连接到一个数据库视图的客户端由四个共享存储的集群成员组成。

For more information about the DataBase View, refer to DataBase View.

欲了解更多有关数据库视图的详细信息，请参阅数据库视图。

Research on Integrated Data Model and Query Decomposition in Engineering Database Based on Multidatabase

基于多数据库的工程数据库模式集成与查询分解的研究

Design and Implementation of Multidatabase Transaction Processing Prototype System s

多数据库事务处理原型系统的设计与实现

Design and implementation of the local agent in a multidatabase transaction model

多数据库事务处理模型中局部代理的设计与实现

The integration of distributed multidatabase systems based on active rule object

基于主动规则对象的分布式多数据库系统集成

Research and Implementation for Technology of Data Consistency Maintenance in Multidatabase System

多数据库系统中数据一致性维护技术的研究与实现

Research on the Integration Methods of File Systems and Multidatabase Systems

文件系统和多数据库系统的集成方法研究

B# tree embedded database indexing mechanisms to achieve

嵌入式数据库B树索引机制的实现