[2023] Pass Salesforce DEX-450 Exam in First Attempt Easily [Q80-Q101]

February 28, 2023 examdumps 0 Comment

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[2023] Pass Salesforce DEX-450 Exam in First Attempt Easily

The Most Efficient DEX-450 Pdf Dumps For Assured Success

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.

Topics of Salesforce DEX-450 Exam

Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts.
DEX-450 exam will include the following topics:

1. Objects and Fields

Describe the capabilities of objects on the Salesforce platform
Create a custom object
Create custom fields
Create relationship fields

2. Work Effectively with Custom Objects and Fields

Create formula fields
Create roll-up summary fields
Describe the capabilities of record types

3. Programming with Apex

Describe key aspects of Apex that differentiate it from other languages, such as Java and C#
Describe why Apex transactions and governor limits must be considered when writing Apex
Execute simple Apex
Use the sObject data type, the primitive data types, and basic control statements in Apex

4. Use SOQL to Query Your Org’s Data

Write a basic query using Salesforce’s query language, SOQL
Process the result of a query in Apex
Create a query dynamically at run-time Use SOQL to Query – Parent-Child Relationships
Describe a relationship query
Write a query that traverses a child-to-parent relationship
Write a query that traverses a parent-to-child relationship

5. DML Essentials

List the differences between the ways you can invoke DML operations
Write Apex to invoke DML operations and handle DML errors

6. Trigger Essentials

Describe what a trigger is used for
Describe the syntax of a trigger definition
Use trigger context variables

7. Apex Class Essentials

Describe how Apex classes are used
Define an Apex class
Determine what data an Apex class can access

8. The Save Order of Execution and Apex Transactions

Describe key points in the Order of Execution
Describe how triggers fit into and can be impacted by the Order of Execution
Describe the lifecycle of an Apex Transaction
Describe the memory lifecycle for static variables

9. Testing Essentials

Describe Apex’s testing framework
Create test data
Write and run an Apex test

10. Testing Strategies

Describe practices for writing code that is easy to maintain and extend
Write triggers and classes that assume batches of data as input
Write code that works efficiently with the database, both in querying and using DML

11. Strategies for Designing Efficient Apex Solutions

Determine your code coverage percentages
Create tests using best practices

12. Trigger Design Strategies

List declarative mechanisms you can use to implement complex business logic, for what types of problems they are best used, and their limitations
Describe ways in which you can use declarative functionality to improve your programmatic solutions

13. Creating Visualforce Pages

Create a Visualforce page
Reference a standard controller
Launch a Visualforce page using a custom button
Display data from a record in a Visualforce page

14. Exploring the View and Controller Layers of Visualforce

Create a Visualforce page
Display related data
Invoke standard controller actions

15. Working with Custom Controllers and Controller Extensions

Create controller extensions
Create a custom controller
Work with properties
Use PageReferences
Invoke custom methods in Visualforce pages
14.Working with List Controllers and SOSL Queries

Use a standard list controller in a Visualforce page
Create a SOSL query
Create a custom list controller

16. Visualforce Development Considerations

Determine whether a declarative solution exists for your requirements
Describe common governor limit issues and security concerns
Describe Visualforce strategies Testing Visualforce Controllers
Describe how a Visualforce controller interacts with the view
Write tests for controller constructors
Write tests for action methods, getters, setters, and properties

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