(1)选择File→New Model菜单项 (2)在左侧Model type中选择“Object-Oriented Model”(面向对象模型) (3)在右侧输入模型名称,选择语言 (4)选择类型 1.2 设计用例图 (1)定义用例 (2)定义角色 (3)定义关联 1.3 设计序列图 (1)定义角色 (2)定义对象 (3)定义消息 (4)定义激活期 1.4 设计类图 (1)定义类 ...
enable derived, historical, and comparative mining of multiple databases and tables.This paper proposes an object-oriented class model and database schema, and a series of class methods including that for object-oriented join (OOJoin) for mining multiple data sources through object oriented model. ...
To full fill this, we developed an object oriented database tool to retrieve and store the GEOMETRY model data from a STEP file using JAVA. This tool operates around a model that uses a well-defined configuration management strategy to manage and storage of GEOMETRY data....
Based on the survey, fundamental requirements of any IPSE database are presented. The object-oriented (OO) approach seems to give a good handle for satisfying these requirements. Proposal is made to investigate further how an OO-based data model suitable for IPSE support can be evolved. 展开 ...
Object-oriented Database Management System (OODBMS) has been used in Manipulation of Documents, Multi-media and Computer-aided design (CAD). However, the f... M Oashi,Y Kusumi,Y Miyabe - 《Ipsj Sig Notes》 被引量: 0发表: 1993年 On a Leray–α model of turbulence In this paper we ...
以前一直是通过powerdesigner 的Object Oriented Model生成数据库表,再通过代码生成器生成nhibernate实体类,映射文件。感觉不是很直接。 使用powerdesigner 15的内置功能,就可以生成nhibernate的数据访问层。不过默认的用在实际环境中不是很好,可以改一下模板生成自已需要的。下面是实际步骤。
Object-Oriented Database Programming LanguagesFounded on an Axiomatic Theory of ObjectsAlvaro A Fernandes,MH Williams,N Paton,... 被引量: 0发表: 1994年 From objects to classes: Algorithms for optimal object-oriented design Introduces a novel, axiomatically defined, object-oriented data model called...
In this work we present an UML representation to the dimensional model explaining this language and its concepts, besides the utilization of the class diagram to the notation of the dimensional model. The UML model is mapped to the object-oriented database through the ODMG standard and validated...
This paper describes MDM, an object-oriented data model that supports instance-level evolution and associative queries. The MDM type system, based on abstract types and conformity, allows flexibility in defining applications and interacts well with the query facility. The query algebra consists of a...
GIS (geographic infortnation system) data can be divided into three sorts: geometric data, geographic data and graphic data. TLDM proposed in this paper describes these three sorts of data and their relationships with object-oriented model. TLDM is used