这通常是指作为数据库或数据库管理系统。
This is usually referred to as DBMS or a Database Management System.
DB 2配置参数在决定性能方面起到非常重要的作用，它们可以影响数据库或数据库管理器的操作特性。
DB2 configuration parameters play an important role in performance, as they affect the operating characteristics of a database or database manager.
但是，即使您公司无意追求最大或最快的数据库，管理那种数据库的一些经验教训仍适用于您的环境。
But even if your company isn't in the running for the biggest or fastest database on the planet, the lessons in administering such databases may be applicable to your environment.
不建议使用Cloudspace或Derby这样的基于文件的简单数据库作为WebSphereProcessServer的数据库管理系统，单元测试除外。
It is not advisable to use simple file-based databases like Cloudscape or Derby as a database management system for WebSphere Process Server, other than for the purpose of unit testing.
因为可以在运行数据库应用程序代码的JVM之外管理连接或数据库游标这样的资源，所以应用程序必须显式地关闭这些资源。
Because these resources, like the connection or any database cursors, can be managed outside the JVM running your database application code, your application must close them explicitly.
注意，默认情况下数据库管理员或系统管理员并不拥有数据库安全管理员权限。
Note that a database administrator or system administrator does not possess the database security administrator authority by default.
并根据这些例程来返回关于容器、数据库、数据库管理器或表空间的信息。
Depending on the routine, information is returned about containers, a database, the database manager, or table Spaces.
数据库管理器或数据库配置中的变更是否是产生瓶颈(比如排序溢出)的原因？
Is a change in the database manager or database configuration the reason for a bottleneck, such as a sort overflow?
当进行少量更改时，例如添加或删除数据库列，该功能可以有效地减少数据库管理员对模式的修改操作。
This effectively reduces the need for database administrators to modify schemas when simple changes, such as the addition or removal of database columns, are performed.
一个实例可以管理一个或多个数据库，这些数据库组成一个集群。
An instance may manage one or more databases known as a cluster.
这个映射因数据库而异，这就是在把EJB部署到WebSphere时您必须在AAT或WebSphere管理控制台中选择数据库类型的原因。
This mapping varies from database to database, which is why you must select the database type in either the AAT or the WebSphere Administration Console when you deploy the EJB to WebSphere.
Cloudscape引擎可以管理一个或多个数据库文件，但是每个数据库文件只能由一个Cloudscape引擎访问。
A Derby engine can manage one or more database files, but each database file can only be accessed by a single Derby engine.
应用程序可以将数据库管理系统(Database Management System,DBMS)引擎嵌入应用程序进程中，从而无需管理单独的数据库进程或服务。
Applications can embed the database Management System (DBMS) engine in the application process, eliminating the need to manage a separate database process or service.
在该工具下，可以管理、分析与重用程序数据库中的任何构件，也可以快速提取程序数据库中的任一构件或生成新系统的源代码。
In the tool, we can manage, analyse and reuse any components in the program database and rapidly extract source code of any components or construct the program code of a new system.
在该工具下，可以管理、分析与重用程序数据库中的任何构件，也可以快速提取程序数据库中的任一构件或生成新系统的源代码。
In the tool, we can manage, analyse and reuse any components in the program database and rapidly extract source code of any components or construct the program code of a new system.
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