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Salesforce DEX-450 Exam Topics

Salesforce DEX-450 Exam

Build Applications Programmatically on the Salesforce Platform

Total Questions: 237
Last Updated : 16-04-2024

What is Included in the Salesforce DEX-450 Exam?

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Salesforce DEX-450 Exam Overview :

Exam Name Build Applications Programmatically on the Salesforce Platform
Exam Code DEX-450
Expected no. of Questions in Actual Exam 211
Official Information https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/
See Expected Questions Salesforce DEX-450 Expected Questions in Actual Exam
Take Self-Assessment Use Salesforce DEX-450 Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure

Salesforce DEX-450 Exam Topics :

Section Objectives
Declarative Automation
  •     Create Formula Fields
  •     Create Roll-Up Summary Fields
  •     Understand Record Types
  •     Review Other Automation Tools
  •     Build a Data Model on the Salesforce Platform
Programming with Apex
  •     Describe Key Aspects of Apex That Differentiate It from Other Languages, Such as Java and C#
  •     Describe Why Apex Transactions and Governor Limits Must Be Considered When Writing Apex
  •     Execute Simple Apex
  •     Use the sObject Data Type, the Primitive Data Types, and Basic Control Statements in Apex
Using SOQL and SOSL to Retrieve Your Org’s Data
  •     Write a Basic Query Using Salesforce’s Query Language, SOQL
  •     Process the Result of a Query in Apex
  •     Create a Query Dynamically at Run-Time
  •     Use SOQL to Query Parent-Child Relationships
  •     Describe a Relationship Query
  •     Write a Query That Traverses a Child-to-Parent Relationship
  •     Write a Query That Traverses a Parent-to-Child Relationship
  •     Use SOSL to Search Data
Using DML to Manipulate Your Org’s Data
  •     List the Differences Between the Ways You Can Invoke DML Operations
  •     Write Apex to Invoke DML Operations and Handle DML Errors
Deployment
  •     What Is Deployment?
  •     Deploy Code Using Change Sets
  •     Use the Ant Migration Tool
  •     Review Managed and Unmanaged Packages
  •     Explore Salesforce DX
Trigger Essentials
  •     Describe What a Trigger Is Used For
  •     Describe the Syntax of a Trigger Definition
  •     Use Trigger Context Variables
Apex Class Essentials
  •     Describe How Apex Classes Are Used
  •     Define an Apex Class
  •     Determine What Data an Apex Class Can Access
The Save Order of Execution, Apex Transactions, and Platform Events
  •     Describe Key Points in the Order of Execution
  •     Describe How Triggers Fit Into and Can Be Impacted by the Order of Execution
  •     Describe the Lifecycle of an Apex Transaction
  •     Describe the Memory Lifecycle for Static Attributes
  •     Use Platform Events for Immediate Error Logging
Apex Testing
  •     Describe the Apex Testing Framework
  •     Create Test Data
  •     Write and Run an Apex Test
  •     Test Best Practices
Strategies for Designing Efficient Apex Solutions
  •     Describe Best Practices for Writing Code That Is Easy to Maintain and Extend
  •     Write Triggers and Classes That Assume Batches of Data as Input
  •     Write Code That Works Efficiently with the Database, Both in Querying and Using DML
Trigger Design Strategies
  •     List Declarative Mechanisms You Can Use to Implement Complex Business Logic, What Types of Problems They’re Best Used for, and Their Limitations
  •     Describe Ways in Which You Can Use Declarative Functionality to Improve Your Programmatic Solutions
Working with Visualforce
  •     Create a Visualforce Page
  •     Reference a Standard Controller
  •     Launch a Visualforce Page Using a Custom Button
  •     Display Data from a Record in a Visualforce Page
  •     Reference Custom Controllers and Controller Extensions
  •     Work with List Controllers
Visualforce Development Considerations and Testing
  •     Describe Common Limit Issues and Security Concerns
  •     Describe Strategies for Testing Visualforce Controllers
  •     Write Tests for Controller Constructors
  •     Write Tests for Action Methods, Getters, Setters, and Properties
Lightning Components
  •     Create and Surface an Aura Component
  •     Create and Surface a Lightning Web Component

Updates in the Salesforce DEX-450 Exam Topics:

Salesforce DEX-450 exam questions and practice test are the best ways to get fully prepared. Study4exam's trusted preparation material consists of both practice questions and practice test. To pass the actual Platform Developer I DEX-450 exam on the first attempt, you need to put in hard work on these questions as they cover all updated Salesforce DEX-450 exam topics included in the official syllabus. Besides studying actual questions, you should take the Salesforce DEX-450 practice test for self-assessment and actual exam simulation. Revise actual exam questions and remove your mistakes with the Build Applications Programmatically on the Salesforce Platform DEX-450 exam practice test. Online and Windows-based formats of the DEX-450 exam practice test are available for self-assessment.

 

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