What should the integration use to create new Order__c records that will automatically be related to the correct Account?

A company accepts orders for customers in their enterprise resource planning (ERP) crder__c records with a lookup field to Account. The Account object has an External ID field, ERP_Customer_ID__c.

What should the integration use to create new Order__c records that will automatically be related to the correct Account?
A . Upsert on the Account and specify the ERP_Customer_ID__c.
B. Merge on the Order__c object and specify the ERP_Customer_ID__c.
C. Insert on the Order__c object followed by an update on the Order__c object.
D. Upsert on the Order__c object and specify the ERP_Customer_ID__c.

View Answer

Answer: C