Book Image

Salesforce Platform Developer I Certification Guide

By : Jan Vandevelde, Gunther Roskams
Book Image

Salesforce Platform Developer I Certification Guide

By: Jan Vandevelde, Gunther Roskams

Overview of this book

Salesforce Lightning Platform, used to build enterprise apps, is being increasingly adopted by admins, business analysts, consultants, architects, and especially developers. With this Salesforce certification, you'll be able to enhance your development skills and become a valuable member of your organization. This certification guide is designed to be completely aligned with the official exam study guide for the latest Salesforce Certified Platform Developer I release and includes updates from Spring '19. Starting with Salesforce fundamentals and performing data modeling and management, you’ll progress to automating logic and processes and working on user interfaces with Salesforce components. Finally, you'll learn how to work with testing frameworks, perform debugging, and deploy metadata, and get to grips with useful tips and tricks. Each chapter concludes with sample questions that are commonly found in the exam, and the book wraps up with mock tests to help you prepare for the DEV501 certification exam. By the end of the book, you’ll be ready to take the exam and earn your Salesforce Certified Platform Developer I certification.
Table of Contents (15 chapters)
Free Chapter
Section 1: Fundamentals, Data Modeling, and Management
Section 2: Logic, Process Automation, and the User Interface
Section 3: Testing, Debugging, and Exercise
Mock Tests

Relationship types

So, what is a relationship exactly? A relationship is a bi-directional link between two objects. Without relationships, you could create as many standalone custom objects you would like to, but you would not have a way to link them to each other. By creating links between records, you can expose data about other related records on the page layout of a particular record.

While creating relationships between objects, you have to think in advance on how those objects will relate to each other. Therefore, there are three main relationship types:

  • One-to-one relationship: This is a direct relation with another object's record and there can only be one at all times. For example, a husband will have only one wife at any given point in time. Historically, he could have been married multiple times, but at any given time, he only has one current wife.
  • One-to-many...