UML建模之数据建模(Data Model Diagram) 一、数据库模简介 二、数据建模元素 1、表(Table) 2、表索引(Table Index) 3、表触发器(Table Trigger) 4、表约束(Table Constraint) 5、视图(View) 6、存储过程(Stored Procedure) 三、数据建模实例 四、总结 一、数据建模简介 数据建模不仅可以对象的属性建模(比如E-...
UML建模之数据建模(Data Model Diagram) 一、数据建模简介 数据建模不仅可以对象的属性建模(比如E-R图),也可以对数据的行为建模(比如触发器Trigger、存储过程Stored Procedure).在进行数据库设计时,设计到如下几个概念: 模式Schema、主键 Primary、外键 Foreign key、关系 Relationship、约束 constraint、索引 Index、触发...
UML建模之数据建模(Data Model Diagram)UML 一、数据库模简介 二、数据建模元素 1、表(Table) 2、表索引(Table Index) 3、表触发器(Table Trigger) 4、表约束(Table Constraint) 5、视图(View) 6、存储过程(Stored Procedure) 三、数据建模实例 四、总结 一、数据建模简介 数据建模不仅可以对象的属性建模(...
【转】UML建模之数据建模(Data Model Diagram) 一、数据库模简介 二、数据建模元素 1、表(Table) 2、表索引(Table Index) 3、表触发器(Table Trigger) 4、表约束(Table Constraint) 5、视图(View) 6、存储过程(Stored Procedure) 三、数据建模实例 四、总结 一、数据建模简介 数据建模不仅可以对象的属性建模(...
Perfect database model diagram software with rich examples and template. Edraw is ideal for software designers and software developers who need to draw database model diagrams.
Show model:graph <- dm_create_graph(dm_dvdrental, rankdir = "RL") dm_render_graph(graph)Focused Data Model DiagramTo focus in on a few tables from your model use focus attribute in dm_create_graph function:focus <- list(tables = c( "customer", "payment", "rental", "inventory", "...
Drag and drop the relationship connector to any blank space in the database model diagram. Notice that it appears as an arrow. You can modify the arrow style by line setting dialog. Drag one end of the connector tool from the connection point on the first shape to a connection point on ...
DataModelRoot.DiagramDataPart 属性 参考 反馈 定义 命名空间: DocumentFormat.OpenXml.Drawing.Diagrams 程序集: DocumentFormat.OpenXml.dll 包: DocumentFormat.OpenXml v3.0.1 获取与此元素关联的 DiagramDataPart。 C# 复制 public DocumentFormat.OpenXml.Packaging.DiagramDataPart? DiagramDataPart {...
Drag a Type shape from the Object Relational stencil into your database model diagram. Double-click the Type shape to open the Database Properties window and then, under Categories, click Fields. Click in a blank line and begin typing a new Physical Name to add a field. ...
2: Refine the structure of the diagram After you create a database model diagram, the work of refining the diagram begins. You can add and customize the three main components of a model: Entities(or tables), Columns(which describe facts about a table...