Updated at: 2022-12-09 03:49:50
1. Click Relation Graph, drag the fields in the field list on the left to the relation modeling canvas to create new entities in the relation graph model, as follows;
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_E.png)
2. Click the Entity, you can delete entity, add entity attributes, and modify entity types in the relation graph canvas, as follows:
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E5%88%A0%E9%99%A4%20%E6%B7%BB%E5%8A%A0%E5%B1%9E%E6%80%A7_E.png)
3. Drag the field to the blank area to create a new entity. If there is an association relationship between the added entities, a connection line will be automatically generated between the two entities;
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%B7%BB%E5%8A%A0%E5%AE%9E%E4%BD%93%E5%85%B3%E8%81%94%E5%85%B3%E7%B3%BB_E.png)
4. Click the line (relation), the
Reverse icon and the
Hide icon will pop up, and the detailed information window will pop up below:
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E5%8D%95%E5%87%BB%E5%85%B3%E7%B3%BB%E7%BA%BF_E.png)
• Click the
Reverse icon: The direction of the line (relation) will be reversed;
• Click the
Hide icon: The direction of the line (relation) will be hidden.
5. Click the
icon below the modeling area to fold the modeling area, as follows:
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%94%B6%E8%B5%B7%E5%BB%BA%E6%A8%A1%E5%8C%BA%E5%9F%9F_E.png)
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_E.png)
2. Click the Entity, you can delete entity, add entity attributes, and modify entity types in the relation graph canvas, as follows:
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E5%88%A0%E9%99%A4%20%E6%B7%BB%E5%8A%A0%E5%B1%9E%E6%80%A7_E.png)
3. Drag the field to the blank area to create a new entity. If there is an association relationship between the added entities, a connection line will be automatically generated between the two entities;
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%B7%BB%E5%8A%A0%E5%AE%9E%E4%BD%93%E5%85%B3%E8%81%94%E5%85%B3%E7%B3%BB_E.png)
4. Click the line (relation), the
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/6_2_1_%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%8D%A2%E5%90%91_M15.png)
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/6_2_1_%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E9%9A%90%E8%97%8F_M15.png)
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E5%8D%95%E5%87%BB%E5%85%B3%E7%B3%BB%E7%BA%BF_E.png)
• Click the
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/6_2_1_%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%8D%A2%E5%90%91_M15.png)
• Click the
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/6_2_1_%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E9%9A%90%E8%97%8F_M15.png)
5. Click the
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/6_2_1_%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%94%B6%E8%B5%B7%E5%BB%BA%E6%A8%A1%E5%8C%BA%E5%9F%9F_%E6%8C%89%E9%92%AE_M15.png)
![](https://new-official-website-1256829807.cos.ap-shanghai.myqcloud.com/images/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%85%B3%E7%B3%BB%E5%9B%BE%E8%B0%B1%E5%BB%BA%E6%A8%A1_%E6%94%B6%E8%B5%B7%E5%BB%BA%E6%A8%A1%E5%8C%BA%E5%9F%9F_E.png)
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