A trusted context is an object that gives users a specific set of privileges and is available when the user connects to the database through a trusted connection.
受信任上下文是一个对象，它为用户提供一组特定的特权，当用户通过一个受信任的连接连接到数据库时，便可以使用它。
User mapping - a user mapping has to be defined for each user who wants to access the remote database using the previously defined server object.
用户映射-对于希望用前面定义的服务器对象访问远程数据库的每个用户，都必须创建一个用户映射。
The main layers of the application are a database, a persistence framework, a database access object, and user interface (UI) controller and view layers.
应用程序的主要层是数据库、持久性框架、数据库访问对象和用户界面(UI)控制器及视图层。
It is capable of logging database events such as authorization checking, database object maintenance, security maintenance, system administration, and user validation.
它可以对一些数据库事件，例如授权检查、数据库对象维护、安全性维护、系统管理和用户验证等做日志记录。
When a database object is created, it is owned by the user ID that executed the DDL statement to create it.
创建一个数据库对象时，此对象归执行DDL语句创建它的那个用户ID 所拥有。
It is important to note that the sample servlet passes the database user ID and password as parameters when the DBController class object is instantiated.
重要的是，请注意实例化dbcontroller类对象时，示例servlet将数据库用户ID和密码作为参数进行传递。
The final step is to update the LoginAction to retrieve the privileges of each user from the database at login-time, and assign them to the user object. Listing 16 contains the updated code.
最后一个步骤是更新LoginAction以在登录时从数据库获取每个用户的特权，并将它们分配给用户对象。
A database object can have zero to many (0.. n) schemas, and a schema can have zero to many (0.. n) tables, indexes, user-defined types, routines, and so on.
每个数据库对象有0到多个(0. .n)模式，每个模式可以有0到多个(0 . . n)表、索引、用户定义类型和例程等。
Database systems, such as Oracle and MySQL, manage their own user accounts, roles, and privileges for system and object-level operations.
诸如oracle和MySQL等数据库系统管理它们自己的用户帐户、角色和系统及对象级别的操作权限。
ZODB is a robust, multi-user, object-oriented database system capable of storing and managing arbitrarily complex Python objects with transaction support and concurrency control.
ZODB是一个健壮的、多用户的和面向对象的数据库系统，它能够存储和管理任意复杂的Python对象，并支持事务操作和并发控制。
The model is composed of the VE database and six other components: input driver, output driver, user object, virtual body, interaction manager, and environment update.
它由包括虚拟身体在内的虚拟环境数据库、输入驱动、用户对象交互管理器、环境更新和输出驱动几个部分组成。
After saving the data to the database, the user can display the edited object again to check the changes he or she has made.
在保存数据到数据库之后，用户可以再次显示被编辑对象来检查所做的修改。
To different user role, according to the data source that its use, award different database object to access attributive respectively.
对不同的用户角色，根据其使用的数据源，分别授予不同的数据库对象存取权限。
Based on the Characteristics of multimedia database, the basic framework of user view applicable to multimedia database is advanced in the light of object oriented method.
根据多媒体数据库的特点，结合面向对象方法，提出一个适用于多媒体数据库用户视图的基本框架。
This designer provides a rich user interface for creating an object model from an existing database.
此设计器提供了用于从现有数据库创建对象模型的丰富用户界面。
This designer provides a rich user interface for creating an object model from an existing database.
此设计器提供了用于从现有数据库创建对象模型的丰富用户界面。
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