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Question 55/96
A developer has the following requirements:
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements on its own?
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements on its own?
Correct Answer: A
* Why Re-Parentable Master-Detail Field?
* A master-detail relationship allows Line Items to roll up totals (e.g., calculate total amount) to the Order.
* Setting the relationship asre-parentablesupports moving Line Items between different Orders.
* Why Not Other Options?
* B. Lookup field: Does not support roll-up summary fields for calculations.
* C and D: Relationships in the opposite direction (Order to Line Item) do not support the required logic.
References:Master-Detail Relationships:https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/relationships_master_detail.htm
* A master-detail relationship allows Line Items to roll up totals (e.g., calculate total amount) to the Order.
* Setting the relationship asre-parentablesupports moving Line Items between different Orders.
* Why Not Other Options?
* B. Lookup field: Does not support roll-up summary fields for calculations.
* C and D: Relationships in the opposite direction (Order to Line Item) do not support the required logic.
References:Master-Detail Relationships:https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/relationships_master_detail.htm
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