| # 实体关系图 (tgerm1500m000) 使用此进程以 list the entity-relationship diagrams which you can display and maintain in the Entity Relationship Diagram Details (tgerm1100s000) session. 相关主题 Entity Relationship Modeling 当前建模版本 The version you currently use to create and modify model items. 实体关系图 A graphic design of the relational data model structure. The diagram shows a (multilevel) structure that consists of entity types and entity type relationships. 版本 A group of model items that share some characteristics, such as the customer, owner, and effective date. 说明 The description or name of the entity-relationship diagram. 注意 The maximum allowed length of the description is 60 characters. 框图状态 The stage in the development of a model item. 已过期 如果选中此复选框， the entity-relationship diagram has expired as the version it is in is no longer valid. 文本 如果选中此复选框， text is available that provides you with further information about the entity-relationship diagram. 实体关系建模程序 If you click this button (or command), the Enterprise Modeler Editor is started which you can use to create or maintain the selected entity-relationship diagram. Generate ERD's from Entities and Relations When you click this button (or command) the Generate Entity Relationship Diagrams from Entity Types and Relationsh (tgerm1220m000) session is started which you can use to create entity-relationship diagrams for a selected range of entity types. 复制实体关系图至当前版本 When you click this button (or command) the selected entity relationship diagram is copied to the current modeling version. 更改版本为版本图(D) If you click this button (or command), the current modeling version is changed to the version of the selected entity relationship diagram. |