Salesforce Exam Platform App Builder Topic 3 Question 102 Discussion

Actual exam question for Salesforce's Platform App Builder exam

Question #: 102
Topic #: 3

AW Computing has a custom object for service plans.

A service plan needs to be associated to one and only one contact. The support manager noticed if the wrong contact is associated, the reps are unable to change the contact. The app builder already confirmed the user has correct access to the field and there are no validations associated with the service

plans.

What could be causing the issue?

AThe Read Only radio button, Allows users with at least Read access to the Master record to create, edit, or delete related Detail records, is selected.

BThe Allow reparenting checkbox, Child records can be reparented to other parent records after they are created, is unchecked.

CThe Read/Write radio button, Allows users with at least Read/Write access to the Master record to create, edit, or delete related Detail records, is selected.

DThe Allow reparenting checkbox, Child records can be reparented to other parent records after they are created, is checked.

Show Suggested Answer

Suggested Answer: C

When attempting to change a master-detail relationship to a lookup relationship, Salesforce imposes specific restrictions to maintain data integrity:

C . The Account record includes Parks roll-up summary fields. Master-detail relationships allow roll-up summary fields to aggregate data from child records onto the parent record. If any roll-up summary fields are present on the master object (Account in this case) that depend on the detail records (Parks), the relationship cannot be changed to lookup until these roll-up summary fields are removed.

To resolve this, follow these steps:

Identify and delete all roll-up summary fields on the Account object that reference the Park object.

Convert the master-detail relationship to a lookup relationship.

Recreate any necessary roll-ups using declarative tools like Process Builder or Flow if needed, as lookups do not support native roll-up summaries.

For more guidance, review Salesforce's documentation on Changing Field Types.

by Kaitlyn at Sep 15, 2024, 11:43 PM

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