Ans: A read-only field that displays the sum, minimum, or maximum value of a field in a related list or the record count of all records listed in a related list. Thus, we can say that Roll up summary field can only be created on Master object.
Tags difference between rollup summary and formula field in salesforce roll up summary fields limitations salesforce roll-up summary field for lookup relationship salesforce rollup summary filter criteria salesforce rollup summary formula field salesforce rollup summary trigger salesforce rollup summary without master detail What is Roll up summary field in Sales force? when is a roll-up summary field calculated
Ans : As mentioned in one of the previous Sales force interview questions, a profile …