This includes the ability for the external entity, such as a middleware server, to use the existing database connection under a different user without the need to authenticate the new connection user.
例如，一个外部实体，比如说一个中间件服务器，可以使用不同用户名下已有的数据库连接，而不需要对新的连接用户进行认证的能力。
This may be a corporate LDAP server or it may be a database that is only used by a single application, but the repository of user and group information is external to the J2EE environment.
这可以是企业LDAP服务器，也可以是仅由单个应用程序使用的数据库，但用户和组信息的存储库位于J2EE环境之外。
Before knowing if a user is authorized to do a particular operation, DB2 must be able to know the effective database authorization ID of the external user, and in which groups that user belongs.
在获知用户是否被授权进行特定操作之前，DB 2必须能够获知外部用户的有效数据库授权ID及其所属的组。
In order to find the effective database authorization ID, you need to ensure that the external user is who they say they are, and then map their external user ID to an internal DB2 authorization ID.
为了找到有效数据库授权ID，需要确保外部用户就是所声称的用户，然后将其外部用户ID映射到内部DB 2授权ID。
The effective database authorization ID (authid) of the external user performing a particular task
执行特定任务的外部用户的有效数据库授权ID（authid）
Dynamic layout. Forms can automatically rearrange themselves to accommodate the data supplied by a user or by an external data source, such as a database server.
表单可以自动重新调整自身以适应用户或外部数据源(例如数据库服务器)提供的数据。
Data storage and management, and the external user how to access data are all depend on the functions provided by database, so spatial database functions is the key part of the spatial database.
空间数据库功能是数据库的关键部分，数据库内部的数据存储与管理，外部用户如何使用这些数据，都是靠功能来实现的。
Make reports by using mastership external database including parts list stiffeners list pallet information. through special user interface users can even get the whole ship or section cog information.
基于数据库后台可以生成生产所需的各种表格，包括零件清单、型材清单、托盘信息等等；值得一提的是，通过专门的数据管理界面，用户甚至可以直接得到全船或者分段的重心统计结果。
Make reports by using mastership external database including parts list stiffeners list pallet information. through special user interface users can even get the whole ship or section cog information.
基于数据库后台可以生成生产所需的各种表格，包括零件清单、型材清单、托盘信息等等；值得一提的是，通过专门的数据管理界面，用户甚至可以直接得到全船或者分段的重心统计结果。
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