Salesforce Platform Developer I Certification Guide

Best practices

You need to know that a trigger executes logic for each of the records in the list with records that you want to update or insert, even if you don't want it to trigger the logic. If you created a trigger for an account that executes logic after the creation of the account, the logic will trigger after each insert operation of an account. This probably isn't necessary, and you can avoid executing some logic when it is not necessary:

• Define criteria: If you define the circumstances for when a trigger needs to execute logic, the performance of the execution of your DML operation will significantly improve. Let me explain that with an example. If you need to execute business logic only when a specific field has changed, you can ...