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CRT-403 · Question #203

Ursa Major Solar has a lookup relationship between a custom Galaxy _c object and a custom Star_c object. An app builder wants to create a roll-up summary field that counts the total number of Star_c…

The correct answer is B. The lookup relationship will need to be converted to a master-detail relationship before a roll-up. See the full explanation below for the reasoning.

Question

Ursa Major Solar has a lookup relationship between a custom Galaxy _c object and a custom Star_c object. An app builder wants to create a roll-up summary field that counts the total number of Star_c records related to each Galaxy__c record. How would the current configuration impact the ability to achieve the desired result?

Options

  • AThe roll-up summary can be achieved by creating a formula field on the Galaxy__c object.
  • BThe lookup relationship will need to be converted to a master-detail relationship before a roll-up
  • CThe roll-up summary can be achieved by creating a formula field on the Star__c object.
  • DA roll-up summary field will need to be created on the Galaxy__c object with a field filter that

How the community answered

(35 responses)
  • A
    6% (2)
  • B
    83% (29)
  • C
    3% (1)
  • D
    9% (3)

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