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Lesson: 13 | Junction Object

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Notes

In Salesforce, a junction object is a custom object that serves as a bridge between two other objects in a many-to-many relationship. Junction objects are used to enable users to relate two objects together in a way that is not possible through a direct relationship.

For example, let's say you have a "Student" object and a "Class" object in Salesforce. A student can be enrolled in many classes, and a class can have many students. This is a many-to-many relationship that cannot be directly modeled using a master-detail or lookup relationship.

To create a many-to-many relationship between the "Student" and "Class" objects, you would need to create a junction object called "Enrollment". The "Enrollment" object would have a master-detail relationship to both the "Student" and "Class" objects, allowing you to link multiple students to multiple classes.

Junction objects can also have their own fields and related objects, just like any other custom object in Salesforce. This means you can add additional information to the junction object, such as the date of enrollment or the student's grade in the class.

Junction objects in Salesforce are a powerful tool that allow you to model complex relationships between objects and improve the accuracy and consistency of your data. They are particularly useful in scenarios where you need to model many-to-many relationships, such as in education, healthcare, or project management.

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Lesson: 13 | Junction Object

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