Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?

A. List  contactList = new List  contactList = new List  accountIds = new Set  (); for (Opportunity o : opportunityList){ contactIds.add(o.ContactId); } for(Contact c : [SELECT Id FROM Contact WHERE Id IN :contactIds]){ contactList.add(c); }

C. List  contactList = new List  accountIds = new Set  (); for(Opportunity o : opportunityList){ accountIds.add(o.AccountId); } for(Account a : [SELECT Id, (SELECT Id FROM Contacts) FROM Account WHERE Id IN :accountIds]){ contactList.addAll(a.Contacts); }

D. List  contactList = new List Suggested Answer: C

Community Answer: C



This question is in Certified Platform Developer II Exam
For getting Salesforce Certified Platform Developer II











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