With this approach, you map an entire class hierarchy into one data entity, where all the attributes of all the classes in the hierarchy are stored.
使用这种方法，您可以将一个完整类层次结构映射成一个数据实体，而层次结构中所有类的所有属性都存储在这个实体中。
This methodology exposes the relationships and data hierarchy to the business logic.
这种方法向业务逻辑公开了关系和数据层次结构。
To allow better waste data management, we define a waste hierarchy for digital objects and provide insights into how to identify and categorize waste data.
为了更好地管理垃圾数据，我们为数字对象定义了一个垃圾层级，并且为如何确定和分类垃圾数据提供了一个见解。
We can build a basic hierarchy as shown in Figure 3. Most of these classes are simple data holders.
我们可以构建一个基本的层次结构，如图3所示。大多数这种类都是简单的数据容器。
After you have defined the product type hierarchy, you can then define the data you wish to capture for each type in the hierarchy.
定义了产品类型层次结构后，可以继续定义希望为层次结构中的每个类型捕捉的数据。
Related information is represented in the hierarchy as siblings at various levels; as a result, hierarchy tells us how data elements are related to each other.
相关信息是用层次结构中位于不同级别的兄弟元素来表示；其结果是，层次结构告诉我们数据元素是如何相互关联的。
Another benefit of having object wrappers is that they can present data stored in relational tables in a natural object hierarchy that captures the relationship between the data.
使用对象包装器的另一个好处是，它们可以以自然的对象层次结构表达关系表中存储的数据，从而捕捉数据之间的关系。
Business users often analyze data by comparing facts summarized at different levels of a hierarchy.
业务用户经常通过对比在不同层次结构总结的事实，来分析数据。
This article includes tips to make the formats to uniform so that you get a smooth, predictable movement of data while maintaining a consistent hierarchy.
本文包含了一些可以让格式变得统一的建议，这样您就可以平稳和可预测地进行数据迁移，同时维护一个一致的层级结构。
The distinct data types must have exactly the same hierarchy and casts defined in all databases participating in the distributed queries.
在参与分布式查询的所有数据库中，各种数据类型必须定义有相同的层次结构和类型转换。
Figure 6 presents the updated persistence model for mapping the entire class hierarchy into one data entity.
图6显示了一个更新过的持久性模型，用于将整个类层次结构映射成一个数据实体。
It features a strongly typed hierarchy of mathematical objects and commonly used programming data structures for grouping and controlling the objects.
其突出特性是强类型的数学对象层次结构和对对象进行分组和控制的常用编程数据结构。
XML expresses information using four basic components — tags, attributes, data elements, and hierarchy.
XML使用四个基本组件表示信息—标记、属性、数据元素和层次结构。
LOM defines a Base schema that defines a hierarchy of data elements for learning objects metadata.
LOM定义了一个基本模式，这个模式为学习对象元数据定义了数据元素的层次结构。
This extended use of the execution flow notation is motivated by the need to provide a hierarchy of data representation, which is necessary for large-scale, distributed traces.
这种扩展的主要原因是在大型分布式应用程序的跟踪时需要提供分层次的数据表示形式。
Make customer information more meaningful and useful by incorporating organizational hierarchy into customer data.
通过将组织层次结构合并到客户数据中，从而使得客户信息更有意义、更有用。
Using one data entity for an entire class hierarchy.
整个类层次结构使用一个数据实体。
Queries specify how the input data should appear in the output element hierarchy.
查询会指定输入数据在输出元素层级结构中会怎样出现？
Necessity to modify or regenerate the object hierarchy when there are any changes in the data schema.
当数据模式中发生任何修改时，需要修改或重新生成对象层次结构。
Spring defines a coherent data access exception class hierarchy (Figure 12) that you can use as a basis for your service- and DAO-layer exceptions.
Spring定义了一致的数据访问异常类层次结构（请参见图12），您可以将其用作服务和DAO 层异常的基础。
The test data directory hierarchy is rooted in the test class package directory, in our case: org.djna.mailservice.test.
测试数据目录层次结构根植于测试类包目录中，在我们的示例中，该目录为or g . djna . mailservice . test。
Flattened hierarchy: Relational databases represent data in the form of tables.
扁平的层次结构(Flattened hierarchy)：关系数据库以表的形式来表示数据。
The business terms content of the industry Models provides a structured hierarchy of business definitions describing the data entities that are relevant for that particular industry.
IndustryModels的业务术语内容提供一个结构化的业务定义层次结构，描述与某一行业相关的数据实体。
Since the client has the complete data model hierarchy, it is possible for the client to send subclasses in the hierarchy in a request to the Web service.
由于客户端拥有完全的数据模型层次，客户端就有可能在Web服务请求中发送层次中的子类。
But the core of this hierarchy is the virtqueue_ops, which defines how commands and data are moved between the guest and the hypervisor.
该层次结构的核心是virtqueue_ops，它定义在来宾操作系统和hypervisor之间移动命令和数据的方式。
Attributes that have nothing to do with data element interpretation (poor hierarchy construction or misuse of attributes).
对数据元素解释毫无帮助的属性(糟糕的层次结构构造或属性的误用)。
This style applies to any text within a table data element, no matter where it is in the hierarchy of the page.
这个样式应用于表数据元素中的所有文本，无论这个元素位于页面层次结构中的什么位置。
The advantage to this new data type is that it allows for searches within the hierarchy with a single SELECT statement, using traditional operators without recursion.
这种新的数据类型的优点是，它允许使用一条SELECT语句和传统的操作符（而不需要使用递归）在层次中进行搜索。
A profile contains a hierarchy of profile categories, which split up the data that you can store into contextual areas, similar to a folder structure on disk.
一个配置文件包含一个配置文件类别结构，这个结构分隔存储在上下文区域中的数据，类似于磁盘上的文件夹结构。
You can traverse the category hierarchy in this way until you find the category that you want to store your data in.
您可以以这种方式遍历类别结构，直到您发现要在其中存储数据的类别。
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