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How are junction objects used to create relationships?
They can be made one-to-one relationship by adding validation rules, or maybe triggers to enforce the one-to-one nature, i.e. only one child is allowed. Junction objects are used to create many to many relationships between objects.
What happens when you delete a junction object?
The second master-detail relationship you create on your junction object becomes the secondary relationship. If you delete the primary master-detail relationship or convert it to a lookup relationship, the secondary master object becomes primary. Select a Sharing Setting option.
What is the use of junction object in Salesforce?
To create this data model you need a third object “Job Application” that links the 2. So you’d create a lookup field for both Position and Candidate object on the “Job Application” object. This will establish many to many relationship between Position and Candidate via the “Job Application” object known as the junction object.
How to model a relationship between two objects?
Using a custom junction object, you can model a “many-to-many” relationship between two objects. For example, you may have a custom object called “Bug” that relates to the standard case object such that a bug could be related to multiple cases and a case could also be related to multiple bugs.
How is a custom junction object used in Java?
Using a custom junction object, you can model a “many-to-many” relationship between two objects. For example, you may have a custom object called “Bug” that relates to the standard case object such that a bug could be related to multiple cases and a case could also be related to multiple bugs. Creating the junction object.
How to create many to many relationships in Salesforce?
In salesforce Junction Objectare the part of the objects which joins one object to another. These are specially used to join many objects in Many to Many relationships. How to create Many to Many Relationships in Salesforce.