This issue really highlights the difference between a database-style, entity-relationship (ER) worldview and an object-oriented (OO) worldview.
这个问题实际强调了数据库样式的实体关系（ER）世界观和面向对象（OO）世界观之间的不同。
This problem is not limited to the use of container-managed entity beans but is general to the object-oriented approach.
该问题不是仅限于容器管理的实体bean的使用中，而是普遍存在于面向对象方法中。
Familiarity with a variety of model forms, such as entity-relationship diagrams (ERDs), UML, and other system-oriented modeling approaches, will provide you with a wide range of modeling options.
熟悉各种模型形式，如实体关系图(Entity - Relationship Diagram,ERD)、UML和其他面向系统的建模方法，将提供广泛的建模选项。
Here we describe knowledge representation model oriented entity, database conversion, instantiation of the knowledge base, rule editor and data check-up algorithm.
在这里我们描述了面向实体的知识表示模型、数据库到知识库的转换、知识库的实例化、规则编辑器以及数据校验算法。
The object-oriented model includes many of the concepts of the entity-relationship model, but represents executable code as well as data.
物件定向的模型含实质- 联系的模型许多观念，但是表现可运行的码和数据。
A geo-spatial entity which can be organized from geometric data, symbol data, entity data, attribute data is regarded as an object to the object oriented geographical information model.
面向对象的地理信息模型以地理空间实体为对象，地理实体可以从几何数据、符号数据、实体数据、属性数据的角度来进行数据的组织。
With the object-oriented technology, an object is a single entity in which data and methods are capsulized. It can be used to represent knowledge or entities in simulated domain.
在面向对象技术中，对象能在单个实体中封装数据和操作(方法)，并为知识和被模拟领域中的实体的表示提供条件。
Traditional ways for information acquisition is improved, instead the sub-entity information acquisition oriented to object is proposed, and it can meet the requirement of the project.
对传统的实体信息获取方法作了改进，提出了面向对象的子实体信息获取方法，满足了工程应用的需要。
Database design: an OLTP system usually adopts an entity-relationship (ER) data model and an application -oriented database design.
数据库设计：通常，OLTP系统采用实体-联系(ER)模型和面向应用的数据库设计。
Through entity-relational mapping tool to relational database mapping data into a target to achieve the object-oriented manner in order to operate the database.
通过实体关系映射工具将关系型数据库的数据映射成对象，实现了以面向对象方式操作数据库。
Through entity-relational mapping tool to relational database mapping data into a target to achieve the object-oriented manner in order to operate the database.
通过实体关系映射工具将关系型数据库的数据映射成对象，实现了以面向对象方式操作数据库。
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