Object relational mapping refers to the technique of mapping the data representation from an object model to a relational data model with a SQL-based schema.
用基于 SQL 的模式可以把数据呈现从对象模型映射到关系数据模型，对象关系映射引用了这项技术。
While one can deliberate forever the best data model for the XML syntax, I believe it completely misses the point because every object-based API shares the same basic pros and cons.
尽管人们可以继续商讨对xml语法来说哪种数据模型最好，但我认为没有多少意义，因为各种基于对象的API其优点和不足基本上是一样的。
Since the user is not using a tree-based object model to access this part of the document, constructing the entire tree would lead to a waste of memory due to replication of data.
因为用户不使用基于树的对象模型来访问这部分文档，所以构造完整的树会因为数据重复而浪费内存。
NHMDB is a multimedia database system based on the extended relational data model and has the characteristics of object-oriented databases.
NHMDB是基于扩充关系数据模型的多媒介数据库系统，它以扩充关系为基础支持面向对象的主要特性。
Based on the domain analysis of the mine project management system, the data tree table object model, database management object model, and general reports making object model are abstracted.
在对矿山项目管理系统进行领域分析的基础上，抽象出数据树表对象模型、数据库管理对象模型和通用报表对象模型。
The type of spatial data model: the model based on object (element); network model; field model.
空间数据模型的类型：基于对象(要素)的模型；网络模型；场模型。
Third two adaptive methods of regularized factors are put forward based on the relations of data object function, model constraint object function, and regularized factor.
根据数据目标函数、模型约束目标函数和正则化因子之间的关系，提出了两种正则化因子自适应调节方法。
Application model is a kind of description model based on objects, it USES the concept of object to define data views, and can describe complex data structures.
应用模型是一种基于对象的描述模型，它将数据视图作为一种对象来定义和使用，从而使其能够描述比较复杂的数据结构。
Then based on the basic concepts and features of spatial data, we analyze the organization and storage of spatial data by using the object-oriented holistic GIS data model.
然后根据空间数据的基本概念和特征，利用面向对象的整体数据模型，分析了空间数据的组织方法和存储方式。
A spatiotemporal data model is proposed to represent dynamic road networks based on base State with Amendments model and object-version management theories.
基于基态修正模型以及对象版本管理的思想，提出用于动态道路网络数据管理的时空数据模型。
The data model design based on hypergraph has an object-oriented character, which is convenient for setting up models for information knowledge network with respect to opportunity discovery.
基于超图映射的数据模型设计具有面向对象的特性，便于对机遇发现相关的信息知识网络进行建模。
A new spatial database based on region and object data model is designed. The database could dispose many data sources. It provides application interfaces and has some flexibility.
设计了一种基于区域和基于对象数据模型的新型空间数据库，该数据库具有处理多种数据源的能力，提供应用接口，具有较高的灵活性。
Product data model is the foundation of information integration in product data management (PDM). This paper presents a method of organizing product data based on product object.
产品数据模型是产品数据管理中信息集成的基础，本文提出了基于产品对象的数据管理方式，在此基础上描述了PDM中的面向对象的产品数据模型。
Existing multimedia data models such as the of multimedia data model based on the of Non First Normal Form (NF2), object oriented data models and hyper media data models do not meet the needs of MGIS.
但现有的几种多媒体数据模型(NF 2模型、面向对象模型和超媒体模型等)尚不能满足MGIS数据管理的要求。
The using of data in information system is confronted with such a difficulty that data storage is based on relational model while software development is under object model.
提出并建立了一个软件框架，并就对象模式到关系模式的转换进行了研究。
However, you can still create data-bound controls by adding a new object data source that is based on the Entity data Model, and then dragging those objects to the designer.
不过，您仍然能够通过添加基于实体数据模型的新对象数据源，然后将这些对象拖到设计器来创建数据绑定控件。
However, you can still create data-bound controls by adding a new object data source that is based on the Entity data Model, and then dragging those objects to the designer.
不过，您仍然能够通过添加基于实体数据模型的新对象数据源，然后将这些对象拖到设计器来创建数据绑定控件。
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