Salesforce Salesforce Developer DEX-450

Exam Code: DEX-450

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

Updated: Jul 01, 2026

Q & A: 202 Questions and Answers

DEX-450 Free Demo download:

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About Salesforce DEX-450 Exam

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Salesforce DEX-450 Exam Syllabus Topics:

Topic	Details
Topic 1	Describe strategies for Testing Visualforce controllers Use SOQL to Query Parent-Child Relationships
Topic 2	Process the result of a query in Apex Understanding Record Types Use trigger context variables
Topic 3	Describe practices for writing code that is easy to maintain and extend Write triggers and classes that assume batches of data as input
Topic 4	Describe the syntax of a trigger definition Display data from a record in a Visualforce page
Topic 5	Describe the memory lifecycle for static attributes Use Platform Events for Immediate Error Logging
Topic 6	Referencing Custom Controllers and Controller Extensions Use the sObject data type, the primitive data types, and basic control statements in Apex
Topic 7	Write a basic query using Salesforce’s query language, SOQL Write Apex to invoke DML operations and handle DML errors
Topic 8	Write a query that traverses a child-to-parent and parent-to-child relationship Creating Roll-Up Summary Fields
Topic 9	Describe how triggers fit into and can be impacted by the Order of Execution Building a Data Model on the Salesforce Platform

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

Benefits in Obtaining Salesforce DEX-450 Certification

71 percent of bachelor's degree expert methodology and energetic methodology certified methodologists receive up to another 16 percent are recorded in the Salesforce annual analytical compensation survey. The certification from Salesforce DEX-450 strengthens your expertise as well as your know-how to ensure that your views are agile in a system of market research. The physical test applicants of the Salesforce DEX-450 certification perceive a fresh advantage on other comrades when being interviewed. In the project market, aspirants find themselves even more aggressive. Salesforce DEX-450 is understood worldwide so that certified aspirants, along with methods of organizational analysis, are simply more self-confident.

The DEX-450 qualification from Salesforce enhances your expertising and expertise to apply an agile perspective within a system of corporate research. At the interview DEX-450 examiners pick a corner over other comrades. In the labour market, aspirants are more competitive.

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