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Apex Triggers · Question 14 of 100
You have a before insert trigger on Account that also fires an after insert trigger on Contact, which updates the same Account. What happens?
A.A MIXED_DML_OPERATION error is thrown immediately
B.The Account trigger fires again for the update — this is a common source of unintended recursion
C.Nothing happens — before-context updates never re-fire triggers
D.Salesforce automatically deduplicates the recursive call
Correct answer: B. Explanation: The Contact trigger's update to Account triggers the Account trigger a second time in the same transaction. This is exactly the scenario a static Set<Id> recursion guard is designed to prevent. Governor limit note: each nested trigger invocation still shares the same...
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