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

DEX-450

Exam Code: DEX-450

Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience

Updated: Jul 25, 2026

Q & A: 202 Questions and Answers

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About Salesforce DEX-450 Exam

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What is the duration, language, and format of Salesforce DEX-450 Exam

  • Certification Validity period : 3 years.
  • This exam is offered in only English.
  • Passing score 80%
  • The type of questions is Multiple Choice and situation-based questions.
  • This exam consists of 85 questions
  • There is a time limit of 120 minutes for the exam.

The validity of the Salesforce DEX-450 certification is three years.

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:

  • Write Visualforce and code for user interface setup
  • 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.
  • Develop programmatic implementations that benefit from declarative personalizations
  • Using a declarative GUI to build and change subjects
  • Describe how the trigger code functions in the Save Execution Order
  • Describe a range of the main features of multi-tenant programme architecture

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

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How to Study the Salesforce DEX-450 Exam

The DEX-450 Test can be prepared in several respects. There are many forms to train for this test. Aspirants can select the PDFs available on the official website of Salesforce and they are also able to view videos online. The Qualification Questions Team strongly maintains that information obtained from multiple testing materials and references must be tested using high-quality evaluation engines when they fulfil the actual test. Before being greenlit, all our study material is confirmed repeatedly by experts.DEX-450 exam dumps of qualification-questions will be continuously revised, so the DEX-450 Test will be mirrored into the Dex-450 practice exams of any changes to the Salesforce Agile Research Certification materials. Expert team on Real4test advises that you take quality notes on these subjects and that you should not neglect to follow DEX-450 exam dumps, which has been written by our expert staff.

Salesforce DEX-450 Exam Syllabus Topics:

SectionWeightObjectives
Data Retrieval and Manipulation20%- SOQL and SOSL queries
  • 1. DML operations and error handling
  • 2. Relationship queries and parent-child traversal
Apex Programming Fundamentals25%- Apex syntax, data types, and control structures
  • 1. Apex transactions and execution context
  • 2. Governor limits and multi-tenant considerations
Data Modeling and Management20%- Custom objects, fields, and relationships
  • 1. Record types and business processes
  • 2. Formula and roll-up summary fields
Visualforce Development15%- Page creation and standard controllers
  • 1. Custom controllers and controller extensions
  • 2. Integrating Visualforce with Lightning Experience
Apex Classes, Triggers, and Execution20%- Class structure, methods, and access modifiers
  • 1. Trigger types, context variables, and save order of execution
  • 2. Static variables and platform events

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