Salesforce Apex Triggers Best Practices

Introduction

Apex triggers automate business logic in Salesforce. Follow bulkification and single-trigger-per-object patterns.

Handler Pattern

trigger AccountTrigger on Account (before insert, before update) {
    AccountTriggerHandler.handle(Trigger.new, Trigger.oldMap);
}

Conclusion

Use trigger frameworks and write unit tests with at least 75% code coverage.