You can modify your existing entity-relationship diagram in Compass to plan changes to your data model without affecting your actual data.您可以在Compass中修改现有的实体关系图,以计划对数据模型的更改,而不会影响实际数据。
About this Task关于此任务
In the Data Modeling tab, you can:在“数据建模”选项卡中,您可以:
Add or remove collections添加或删除集合Rename collections重命名集合
Note
Any changes you make to your entity-relationship diagram won't affect your actual database.您对实体关系图所做的任何更改都不会影响实际数据库。
Before You Begin开始之前
You must have an existing entity-relationship diagram in Compass to modify the fields. To create a new diagram, see Generate an Entity-Relationship Diagram in Compass.您必须在Compass中有一个现有的实体关系图才能修改字段。要创建新关系图,请参阅Compass中的生成实体关系图。
Steps步骤
Add a New Collection添加新集合
To add a new collection to your entity-relationship diagram:要将新集合添加到实体关系图中,请执行以下操作:
Rename a Collection重命名集合
To rename a collection in your entity-relationship diagram:要重命名实体关系图中的集合,请执行以下操作:
Remove a Collection删除集合
To delete a collection from your diagram:要从图表中删除集合,请执行以下操作:
