Preparing for the Salesforce Platform Developer I Certification exam? As always, this raises the question “What do I need to study and where can I find any good resources?”. 

As a good habit, I developed over the last years I try to start the year off with a bang and getting a new certification always does the trick

So in this post, I’ll share the resources that I’ve used to study for the Salesforce Platform Developer I exam and what to expect from the exam.

60-70% of the questions I’ve got were scenario-based, so you should have a good understanding of each topic referenced in the study guide. During the exam, certain questions will leave you confused with more than one correct answer so read through the questions more than once before you select your answer(s).

Getting Prepared for the Salesforce PDI exam

Start with the Salesforce platform developer 1 Certification study guide. Go through each section from the study guide to see if there is any specific area you need more knowledge on. Don’t rely on practice exams or exam dumps as they are mostly out-of-date and never replicates real exams. Sometimes those questions/answers are just wrong. Salesforce has loads of documentation on each specific topic, so if you study hard and practice a lot in your developer org, you will do just fine!

Each section in the study guide is assigned a percentage of questions:

What to study for the Platform Developer exam?

First of all, if you have access to a Premier Online Training catalog or Partner Training catalog do lookup the following online course:

Certification Preparation for Platform Developer I

It takes about 4 hours but gives you a nice detailed summary of the most important topics and I actually had some questions that were clearly answered in this course! Highly Recommended  

I watched this course when I started to study and then watched it again on the morning of the exam as a review.

Besides that I studied the following materials:

Logic and Process Automation

Remember roll-up summary fields only work with Master-detail relationships, so as soon as you read that it’s a lookup relation it can’t be a roll-up summary field

A very important table in the Process Automation Trailhead Module which compares capabilities of process builder, workflow, approval process, and visual flow.


Data Modelling and Management

Debug and Deployment Tools

Salesforce Fundamentals

User Interface

I also recommend unlocking all the Trailhead modules necessary to do the Apex Specialist Superbadge. I’ve done this and found it highly valuable, but I have to say that the Superbadge itself was a real pain in the **** and took me about 12 hours to complete

The Salesforce Platform Developer I Certification Guide

“I have had the opportunity and pleasure of publishing this book to help all of you passing the exam without any prior programming knowledge!

Jan Vandevelde yours truely

The Salesforce Platform Developer I Certification Guide is for you if you want to learn how to develop and deploy business logic and user interfaces using the capabilities of the Lightning Platform. No prior knowledge of Apex programming is required.

I hope this helps anyone who wants to pass the certification exam! Good Luck!

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