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Salesforce DEX-450 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Describe strategies for Testing Visualforce controllers
  • Use SOQL to Query Parent-Child Relationships
Topic 2
  • Visualforce Development Considerations and Testing
  • Determine what data an Apex class can access
Topic 3
  • Write a basic query using Salesforce’s query language, SOQL
  • Write Apex to invoke DML operations and handle DML errors
Topic 4
  • Describe how triggers fit into and can be impacted by the Order of Execution
  • Building a Data Model on the Salesforce Platform
Topic 5
  • Write tests for action methods, getters, setters, and properties
  • List the differences between the ways you can invoke DML operations
Topic 6
  • Process the result of a query in Apex
  • Understanding Record Types
  • Use trigger context variables
Topic 7
  • Describe common limit issues and security concerns
  • Launch a Visualforce page using a custom button
Topic 8
  • Write a query that traverses a child-to-parent and parent-to-child relationship
  • Creating Roll-Up Summary Fields
Topic 9
  • Describe the syntax of a trigger definition
  • Display data from a record in a Visualforce page
Topic 10
  • Describe the memory lifecycle for static attributes
  • Use Platform Events for Immediate Error Logging
Topic 11
  • Referencing Custom Controllers and Controller Extensions
  • Use the sObject data type, the primitive data types, and basic control statements in Apex

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

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For more info read reference:

Salesforce DEX-450 Certification leaning site Salesforce DEX-450 Certification resources

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

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

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

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