相反，您将xml树用作内存中的小型单用户层次结构数据库。
Instead, you are using the XML tree as a small, in memory, single user hierarchical database.
从层次结构的顶层开始，您要选择一个指定节点来表示一个容器对象，如区域或部门，其中包含的是您数据库中所有数据的一个子集。
Starting at the top of the hierarchy, you would choose a specific node that represents a container object such as a region or a branch that contains a subset of all your database data.
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。
The distinct data types must have exactly the same hierarchy and casts defined in all databases participating in the distributed queries.
就其性质而言，关系数据库比层次数据存储结构(如xml)更灵活。
Relational databases are, by their nature, more flexible than hierarchical data storage structures such as XML.
数据库已经变得更强大了，所以这个类型层次结构也变得更复杂。
As databases have become more powerful, this type hierarchy has grown more complex.
如果产品类型层次结构相对简单(只有3或4层)，那么数据库访问就会简单一些。
If your product type hierarchy is relatively flat (only three or four levels deep), then there is less of a concern with database access.
要以有效的方式访问Domino数据库，则需要创建一个域驱动的类层次结构。
To access the Domino database in an efficient way, you need to create a domain-driven class hierarchy.
再次声明，这些特性只包含Hibernate和数据库，所以不会改变类的层次结构。
Once again, this feature involves only Hibernate and the database, and thus doesn't alter the class hierarchy.
最后，使用DB 2ControlCenter来验证确实已将表单保存到数据库并确认保存了XML层次结构。
Last, you used the DB2 Control Center to verify that the form was indeed saved into the database and to confirm that the XML hierarchy was conserved.
除了函数，这两种数据库还允许您创建新的类型，以及通过使用表层次结构创建对象层次结构。
In addition to the functions, these databases allow you to create new types and create object hierarchies through the use of table hierarchies.
我们可以通过标准的关系方法或使用新的数据类型，在数据库中表示该层次结构关系。
We can represent this hierarchical relationship in the database through standard relational methods or using new data types.
这种产品类型层次结构使用元数据结构进行定义，并具有一组相关数据库表和业务服务。
This product type hierarchy is defined in a metadata structure and has an associated set of database tables and business services.
安全管理员可以在接近于组织结构的抽象层次上控制对数据库的访问。
Security administrators can control access to their databases at a level of abstraction that is close to the structure of their organizations.
从2006年开始，DB 29为表和XML层次结构中建模的数据提供一种通用的应用程序编程接口和数据库管理平台。
Since 2006, DB2 9 has provided companies with a common application programming interface and database management platform for data modeled in tables and XML hierarchies.
创建一个数据库时，关于数据库的信息，包括默认信息，存储在一个目录层次结构中。
When a database is created, information about the database, including default information, is stored in a directory hierarchy.
LDAP数据库以具有层次结构的条目为基础，存储和检索信息，其中每个条目都具有区别于其他条目的名称、类型和属性。
The LDAP database stores and retrieves information based on a hierarchical structure of entries, each with its own distinguishing name, type, and attributes.
用户身份格式有一些标准的模型，它们按层次存在于一个有组织的数据库中，这个数据库位于结构化身份知识库中，如LDAP，它可以帮助组织合理化用户提取。
There are standard data models for user identity formats and layering an organizational database on a structured identity repository like LDAP, can help organizations streamline their provisioning.
数据库的业务逻辑将通过child -parent层次结构把这些文档组织成讨论线索。
The business logic of the database arranges these documents into discussion threads, with a child-parent hierarchal structure.
扁平的层次结构(Flattened hierarchy)：关系数据库以表的形式来表示数据。
Flattened hierarchy: Relational databases represent data in the form of tables.
SpringDAO：JDBC DAO抽象层提供了有意义的异常层次结构，可用该结构来管理异常处理和不同数据库供应商抛出的错误消息。
Spring DAO: the Spring JDBC DAO abstraction layer offers a meaningful exception hierarchy for managing the exception handling and error messages thrown by different database vendors.
我们需要的是一种专为处理典型Web文档的层次化结构而设计的数据库，而不是将其拆分开来。
What we need is a database designed to work with the hierarchical structures of typical Web documents rather than cutting across them.
从出现在层次结构中的DatabaseElements选项卡选择数据库对象。
The database objects selected from the database Elements TAB appear in the hierarchy.
文章对数据库结构进行了合理的设计构思，使其具有信息分类明确、层次清晰、查询方便快捷、可扩充性好等特点。
This design of database structure is reasonable and has the characteristics of clear information classification, distinct arrangement, convenient to look up and easy to expand etc.
其基础性工作是基于国家级风景名胜区层次的风景景观信息系统方法及其数据库结构的探讨。
The basis of the work is the method of landscape information system and constructive data-base on the national scenic landscape and spot area level.
换言之，整个继承层次结构存储在单个数据库表中。
In other words, a complete inheritance hierarchy is stored in a single database table.
该系统的软件采用层次模块结构。它包括图象输入、图象输出、图象处理、图象编辑、图象分析、图形处理以及图象数据库。
The modular construction, used in the software of the system, consists of image input, output, processing, editing and analysing units as well as image database and graphics processing device.
我们会通过处理分析的方式，使用数据层次图的概念，以描述数据库分区结构和数据库处理的关系。
We will use the concept of a data hierarchy graph, constructed by means of transaction analysis, to characterize the relationship between a database partition scheme and database transactions.
针对航空火控系统结构和检测的特点，设计了一种基于层次数据模型的航空火控系统检测数据库系统。
A test database system for the aeronautic fire control system based on hiberarchy is designed in allusion to the structure and the test characteristic of the aeronautic fire control system.
结构化方法允许你在数据库中存储XML数据和保留数据的层次关系。
The structured method allows you to store XML data inside the database and preserve the hierarchy of the data.
为了适应本体数据源大量的分类数据，提出了一种新的聚类算法sct，实现数据库元组的自动聚类以及概念层次结构的生成。
A new clustering algorithm named SCT is raised, which makes system be more suitable to the category data in data source of ontology.
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