Salesforce DEX-450 : Programmatic Development using Apex and Visualforce in Lightning Experience

  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Aug 15, 2026     Q & A: 202 Questions and Answers

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Average Salary for Salesforce DEX-450 Exam Certified Professional

Salesforce administrator roles are in great demand nowadays. The average salaries of Salesforce DEX-450 exam Certified professional in:

  • India - 16,42,330 INR
  • United State - 105,100 USD
  • England - 70,400 POUND
  • Europe - 72,300 Euro

Introduction to Salesforce DEX-450 Exam

This qualification concentrates on the programmer's validation of abilities, such as the programming of programs. Salesforce DEX-450 certification acknowledges that the applicant has the potential to conform his / her Salesforce applications to the heart of the Pinnacle programming language and the visual power diagram. The credential offers a better indicator of the competences which you have established to provide prospective employers. Professionals need to gain functional expertise in constructing and programming data objects (sObjectiles) to retrieve, modify and store data from these objects. Specify custom logic with Apex triggers and classes and use the built-in testing system to test this logic. This Guide covers all facets of the DEX-450 Test, the salary of the accredited specialist Salesforce DEX-450 and all the aspects of the Salesforce DEX-450 certification.

The Salesforce DEX-450 exam is a competency qualification test that acknowledges your capability growth. You need industry expertise to attempt the test. Professionals should execute the following duties following certification:

  • Develop programmatic implementations that benefit from declarative personalizations
  • Write Visualforce and code for user interface setup
  • Using a declarative GUI to build and change subjects
  • Using the combined Apex and Visual Powers evaluation system.
  • Write customizations of business logic using triggers and classes from Apex. SOQL and DML are used with these customizations.
  • Describe a range of the main features of multi-tenant programme architecture
  • Describe how the trigger code functions in the Save Execution Order

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How much Salesforce DEX-450 Exam Cost

The price of the Salesforce DEX-450 certification is $375 USD, for more information related to the Salesforce DEX-450 Exam please visit Salesforce website.

Reference: https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/

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Salesforce DEX-450 Exam Syllabus Topics:

SectionObjectives
Topic 1: Testing and Debugging- Debugging techniques
  • 1. System debug logs
    - Apex testing framework
    • 1. Code coverage requirements
      • 2. Test classes and methods
        Topic 2: Security and Best Practices- Governor limits
        • 1. Avoiding limit exceptions
          - Security model
          • 1. CRUD and FLS enforcement
            • 2. Sharing rules and with sharing keyword
              Topic 3: Visualforce Development- UI components
              • 1. Visualforce components and expressions
                - Pages and controllers
                • 1. Custom controllers and extensions
                  • 2. Standard controllers
                    Topic 4: Apex Programming Fundamentals- Apex syntax and object-oriented concepts
                    • 1. Classes, methods, and variables
                      • 2. Access modifiers and encapsulation
                        - Collections and data handling
                        • 1. Lists, Sets, and Maps
                          • 2. Iteration and data manipulation
                            Topic 5: Database and SOQL/SOSL- DML operations
                            • 1. Bulk operations and limits
                              • 2. Insert, update, delete, upsert
                                - SOQL queries
                                • 1. Basic and advanced query filtering
                                  • 2. Relationship queries
                                    Topic 6: Apex Triggers and Automation- Order of execution
                                    • 1. Salesforce transaction lifecycle
                                      - Trigger design patterns
                                      • 1. Before and after triggers
                                        • 2. Bulkified trigger design

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