Design Power is a Silicon Valley technology company offering Design++, a knowledge-based engineering platform that significantly simplifies the capture of in-house engineering expertise and streamlines the integration of legacy systems into design automa
PowerDesign文件组成结构有哪些部分? 如何在PowerDesign中进行文件操作? PowerDesign文件操作有哪些常见错误及解决方法? 从这篇开始将正式讲解整个重要部分的实现细节,本篇讲解Pdm文件的解析。其实PDM文件就是XML文件,可以用Editplus或者VS打开查看。了解到这一点之后大家就能猜到,可以用解析XML的方式读取PDM文件了。 阅...
打开PowerDesign软件。点击顶部的File菜单,选择New选项。在弹出的New界面中选择Conceptual Data Model选项,并为模型命名。建立实体:进入工作区后,拖动顶部的实体图标到工作区,建立所需的实体。编辑实体信息:双击实体,进入实体内容编辑界面。填写实体的名称等基本信息。设置实体属性:在实体编辑界面中,切换...
最后定义完成的关系(Relationship)在概念图中表示如下: 注:在Power Designer中,关系符号靠近实体端的一个“横线”代表强制性约束,“空心圆圈”代表无强制约束,即这一方可以无对象关联;“非分岔”线代表为“1” 的关系,“分岔”线代表“多”的关系。以上四个符号共可以组合出16种关系(包含反向)。其中“多对多”的...
派沃设计 POWER DESIGN 2024-07-12 19:40 发布于:山西省 01 简介 Profile 派沃(中国)商业设计机构是一家以商业地产规划设计、建筑设计、室内设计、景观美陈设计为主的大型设计服务机构。公司拥有20余年的历史,是国内最早的商业设计机构之一。 连续多年被评为“中国杰出商业地产服务机构”、“中国最具价值及影响力...
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用powerdesigner怎么画出数据字典? 建立概要模型——生成物理模型——物理模型最终可以生成特定数据库的sql语句,所谓的数据字典就是物理模型。 由pdm生成建表脚本时,字段超过15字符就发生错误(oracle)原因未知? 解决办法一:打开PDM后,菜单栏会出现Database,进入Database - Edit Current DBMS -script-objects-column-max...
POWER DESIGN SERVICES Power Design will provide unparalleled customer service and knowledge to the customer thru education, training and support. Provide the knowledge to lead the customer to the best solution possible in their industry and provide the solutions that will not only support them but pr...