Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版): DEX-450 Exam

"Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)", also known as DEX-450 exam, is a Salesforce Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 202 Q&As to your DEX-450 Exam preparation. In the DEX-450 exam resources, you will cover every field and category in Salesforce Developer Certification helping to ready you for your successful Salesforce Certification.

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  • Exam Code: DEX-450
  • Exam Name: Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版)
  • Certification Provider: Salesforce
  • Corresponding Certification: Salesforce Developer
  • Updated: Aug 03, 2026
  • No. of Questions: 202 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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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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How to Prepare for Salesforce DEX-450 Exam

Preparation Guide for Salesforce DEX-450 Exam

Introduction

Salesforce is a solution for managing customer relationships that unite customers and companies. This is an interactive CRM platform that provides a single, shared view of every client in all the divisions including marketing, distribution, exchange, and operation. Provide the clients with the individual experience Salesforce demand 360 product via the Integrated CRM Platform. It delivers solid and related goods to boost marketing, revenue, exchange, operation, IT, and more. Salesforce is a digital cloud computing (SaaS) firm specializing in the management of client relationships (CRMs). There was a mistake. The app is now the number one of consumer satisfaction and allows organizations to track customer behavior, advertise to consumers, and more. Salesforce is common because it is bundled with features such as contact management, workflow development, task management, incentive monitoring, teamwork tools, customer experience tools, analytics, and interactive, smartphone dashboard.

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Salesforce DEX-450日本語 Exam Syllabus Topics:

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

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