An organization manages internal projects using a parent custom object, Internal_Project__c, and child records using Project_Milestone__c. The administrator needs to create a standard Roll-Up Summary field on Internal_Project__c to calculate the total count of related milestones. Which relationship configuration must exist between these two objects to allow the Roll-Up Summary field?
- A Master-Detail relationship created on the Project_Milestone__c object referencing Internal_Project__c as the masterCevap
- BA Lookup relationship created on the Project_Milestone__c object referencing Internal_Project__c as the parent
- CA Lookup relationship created on the Internal_Project__c object referencing Project_Milestone__c as the child
- DA Master-Detail relationship created on the Internal_Project__c object referencing Project_Milestone__c as the master
Cevap
A Master-Detail relationship created on the Project_Milestone__c object referencing Internal_Project__c as the master.
Standard Roll-Up Summary fields can only be created on the master object of a Master-Detail relationship. To establish this relationship, the Master-Detail relationship field must be created on the child object (Project_Milestone__c), referencing the parent object (Internal_Project__c) as the master.
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Anahtar Kavram
Roll-Up Summary Field Eligibility