Please explain relationship in entities.
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After you create multiple entities, you can define the relationship between two entities.While defining the relationship, you can make one entity as a child entity of another entity. You can define the relationship between two entities as follows:
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On the vDesigner dashboard, go to the left navigation pane.
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Click Modules > Entity & Relationship.
- Under Modules, click Entity & Relationship, and the Entity & Relationship dialog box opens.
- In the Entity & Relationship dialog box, click the Relationship tab, the Entity & Relationship dialog box displays the following fields :
- Parent Entity
- Child Entity
- Relation
- Associated Attr Array
- In these fields, enter/select values as follows:
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Parent Entity : Click this list, it displays the currently existing entities. In the list, select the entity (For example: – POD ) that you want to make as a parent entity.
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Child Entity : lick this list, it also displays the currently existing entities. In the list, select the entity (For example: – DUMMY) that you want to make as a child entity.
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Relation : In this box, enter the following value:
1*n
This value specifies the one-to-many relationship between parent and the child entity. -
Associated Attr Array : n this box, enter the hardcoded value as follows: $.POD.DUMMY
This hardcoded expression specifies that the DUMMY array type JSON object has been defined as a child object under POD entity.
- After you enter/select the value in the respective box/list, click Save , and the parent-child relationship between two entities is successfully defined.
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