An alternative way of handling database connections is to use data source objects.
另一种处理数据库连接的方法就是使用数据源(data source)对象。
By using data source objects, you have access to a pool of connections to a data source.
通过使用数据源对象，您可以访问一个连接数据源的连接池。
Typically, in an enterprise application data source objects are retrieved through a JNDI lookup operation.
在一个企业程序中，数据源对象是通过JNDI查找操作来获得的。
Because of the advantages of connection pooling, using data source objects is the preferred method of handling database connections in Web applications.
由于连接池有许多优点，所以在Web应用程序中偏爱使用数据源对象的方法来处理数据库连接。
For relational nicknames, the wrapper validates the existence of the data source objects and retrieves the column definitions and index information, if any, when the nickname is defined.
对于关系昵称，包装器确认数据源对象是否存在，如果定义了昵称，还将获取列定义和索引信息。
'COPY' : Create empty copies of all objects from the source schema, then load each target schema table with data.
'COPY '：创建源模式中所有对象的空副本，然后用数据填充每个目标模式表。
'COPYNO' : Create empty copies of all objects from the source schema, then load each target schema table with data.
' COPYNO '：创建源模式中所有对象的空副本，然后用数据填充每个目标模式表。
Objects for schema V9R0M0, and containing data, are copied to schema V9R1M0 from the source database BANKDEV to the target database BANKSHIP.
将模式V 9r0m 0中的对象和包含的数据从源数据库bankdev复制到目标数据库BANKSHIP中的模式V 9r1m 0中。
The result is the complete set of required database objects created on the target database with a referentially complete subset of privatized data copied from the source database.
得到的结果是在目标数据库上创建所有所需的数据库对象，并包含来自源数据库的隐私化数据子集。
Using this tool, you can capture the data definition language (DDL) for such objects in the source database, and apply it to recreate those objects in the target database.
使用这个工具，您可以在源数据库中捕获到定义这些对象使用的数据定义语言(DDL)，并在目标数据库中使用这些数据定义语言重新创建这些对象。
Objects for schema V8R2M5, and containing data, are copied to schema V9R0M0 into the source tablespace retaining the origin object owner.
模式V 8r2m 5中的对象和包含的数据被复制到源表空间中的模式V 9r0m 0中，原来的对象所有者保持不变。
The data objects are created immediately, and the data are copied directly from source to target.
数据对象直接创建，数据也直接从源复制到目标。
DDL_AND_LOAD: Creates all supported objects from the source schema, and populates the tables with the source table data.
DDL_AND _ LOAD：从源模式创建支持的所有对象，并用源表数据填充表。
Without the dialogs, however, you can still add basic data objects, data source data objects, and data sources from the palette, and configure them using the Properties view.
然而，如果不使用这些对话框，您还可以通过选项板添加基本数据对象、数据源数据对象及数据源，并使用Properties 视图对它们进行配置。
New abstractions such as Service Data Objects will be used to hide the complexities of interacting with data source such as relational databases.
将使用新的抽象，如服务数据对象（ServiceData Object），隐藏与关系数据库这类数据源交互的复杂性。
The DAOs create an additional layer of objects between the data client and the data source that need to be designed and implemented to leverage the benefits of this pattern.
由于DAO在数据客户端和数据源之外多创建了一层对象,因而,需要对他进行设计和实现,来均衡这个设计模式的利弊.
This wizard (as shown in Figure 2) allows you to select the connection to work with and the data objects to be included in the data source.
该向导(如图2所示)允许您选择要使用的连接和要包含在数据源中的数据对象。
Is it loosely coupled and does it follow matured frameworks like open source service data objects?
它是松散耦合且遵循诸如开源数据对象之类的成熟框架吗？
Packages contain the metadata to map technical objects of a data source to objects usable in reports and analyses.
包包含用于把数据源的技术对象映射到可在报告和分析中使用的对象的元数据。
A data graph is a collection of tree-structured objects that might be disconnected from the data source.
数据图就是一组可以从数据源中分离出来的树形结构的对象。
All J2EE persistence technologies provide some mechanism to map business data objects back to a persistent data source.
所有的J2EE持久化技术都提供了一些机制来将业务数据对象映射回持久性数据源。
A DAS can also act as a factory for data objects, creating new instances that conform to some predefined data source schema (for example, a database or XML schema).
DAS还可以充当数据对象的工厂，创建符合某个预定义的数据源架构(例如，一个数据库或XML架构)的新实例。
The JDBC DMS lets you retrieve and manipulate data from a back-end JDBC data source without having to write the code needed to transform data from an SQL result set into usable business objects.
使用JDBCDMS，您可以从后端 JDBC数据源检索和操作数据，而不必编写将数据从SQL结果集转换为可用的业务对象所需的代码。
By specifying additional schema and object level filters, the list of objects listed to create a data source can be made specific to the developer's requirements.
通过指定其他模式和对象级筛选器，用于创建数据源的一列对象可以特别满足开发人员的要求。
Whether you use wizards or write your own SQL, you need to create a few basic types of objects to get DB2 II to interface to a remote data source.
不管是使用向导还是编写自己的SQL，都需要创建一些基本类型的对象，使DB 2II可以与远程数据源交互。
This wizard allows you to select the connection to work with and the data objects that the data source is created for.
此向导允许选择要使用的连接和为其创建数据源的数据对象。
In the wizard that is displayed, select the connection, the data objects, and the columns to be used for the data source.
在显示的向导中，选择将用于数据源的连接、数据对象和列。
Apache CouchDB is an open source document-oriented database management system that stores data as JSON objects.
ApacheCouchDB是一个基于开源文档的数据库管理系统，它将数据存储为JSON对象。
As you bind visual components to data sources and data objects, binder code is generated as needed into your project source directory.
当您将可视化组件绑定到数据源和数据对象时，binder代码会根据需要被生成到您的项目源文件目录中。
As you bind visual components to data sources and data objects, binder code is generated as needed into your project source directory.
当您将可视化组件绑定到数据源和数据对象时，binder代码会根据需要被生成到您的项目源文件目录中。
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