本系统配有数据库软件包。
那么您又该如何配置系统和数据库性能呢？
How do you then profile your system and database performance?
您应当开始计划一下，如何整理您的数据库系统。
You should begin planning how to bring your database systems into line.
它还是调整和配置整个数据库系统的一种方法。
It is an approach to sizing and configuring an entire database system.
这些规则中的大部分也适用其他生产数据库管理系统。
Most of the rules should also apply to other production database management systems.
在任何一种数据库系统中，性能是最重要的因素之一。
Performance is one of the most important factors in any type of database system.
缓冲池的用途是为了提高数据库系统的性能。
The purpose of the buffer pool is to improve database system performance.
为了保证系统的健康状态，数据库的规模不应该无限制地增长。
The database size should not steadily increase in an uncontrolled manner to assure system health.
一切由应用程序而不是数据库管理系统决定。
All decisions are made by the application, not by the database management system.
每个数据库管理系统都必须能保护数据不会受到未授权访问和修改。
Every database management system must be able to protect data against unauthorized access and modification.
然后，数据库系统必须确定如何实现该请求。
The database system must then figure out how to fulfill the request.
媒体故障出现在有人意外从系统删除数据库文件时。
Media failure occurs when someone accidentally deletes a database file from the file system.
在目标系统上创建一个新的数据库，在我们的案例中是KEEL。
Create a new database on the target system, KEEL in our case.
构建一个当前在线并且可访问的系统数据库。
Construct a database of systems that are currently online and reachable.
在旧系统中，个人信息的更新同样是直接写入到数据库。
Profile updates were also written directly to the database in the old system.
创建数据库并将日志移动到日志文件系统。
Create the database and move the logs to the log file system.
本文假定您已经熟悉系统和数据库的概念。
It assumes that you are already familiar with system and database concepts.
系统中的所有数据库访问都通过DAO进行以实现封装。
All database access in the system is made through a DAO to achieve encapsulation.
删除过程实例会在数据库系统上产生很重的负载。
Process instance deletion puts a heavy load on the database system.
系统和数据库停机时间长。
对于任何数据库管理系统来说，备份和恢复功能是确保数据可恢复性的关键。
Backup and restore capabilities are key to ensuring data recoverability for any database management system.
我们通过单独的系统数据库文件系统获得了更好的性能。
We obtained better performance with separate file systems for system databases.
该系统总共有112个磁盘驱动器可用于数据库。
In total, there are 112 disk drives in the system for the database.
通常数据库的备份过程比文件系统来得简单。
Often the backup process is easier for databases than for a file system.
了解更多关于IBM强大的关系数据库管理系统(RDBMS)服务器家族的信息。
Get more information about IBM's powerful family of relational database management system (RDBMS) servers.
这个系统工作得很好，数据库连接问题再也没有出现过。
The system worked great, and the database connection issues went away.
选择您想要从本地环境中访问的数据库，并将它添加到该系统。
Choose the one you want to access from your local environment and add it to the system.
系统上总共有2,500个人员条目和邮件数据库。
A total of 2,500 person entries and mail databases were on the system.
一般，主要涉及系统和数据库的性能。
In general, the performance of your system and database is the major concern.
而且，这种实现可以在大多数数据库系统上实施。
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