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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Salesforce DEX-450 Certification Path
You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce Admin Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce Admin Qualification cost around $510 USD. It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.
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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.
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Salesforce DEX-450日本語 Exam Syllabus Topics:
| Topic | Details |
|---|
| Topic 1 | - Describe the syntax of a trigger definition
- Display data from a record in a Visualforce page
|
| Topic 2 | - Write a basic query using Salesforce’s query language, SOQL
- Write Apex to invoke DML operations and handle DML errors
|
| Topic 3 | - Write a query that traverses a child-to-parent and parent-to-child relationship
- Creating Roll-Up Summary Fields
|
| Topic 4 | - Describe common limit issues and security concerns
- Launch a Visualforce page using a custom button
|
| Topic 5 | - Describe practices for writing code that is easy to maintain and extend
- Write triggers and classes that assume batches of data as input
|
| Topic 6 | - Write tests for action methods, getters, setters, and properties
- List the differences between the ways you can invoke DML operations
|
| Topic 7 | - Visualforce Development Considerations and Testing
- Determine what data an Apex class can access
|
| Topic 8 | - Referencing Custom Controllers and Controller Extensions
- Use the sObject data type, the primitive data types, and basic control statements in Apex
|
| Topic 9 | - Process the result of a query in Apex
- Understanding Record Types
- Use trigger context variables
|
| Topic 10 | - Describe the memory lifecycle for static attributes
- Use Platform Events for Immediate Error Logging
|
Reference: https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/