DEX-450
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Salesforce
DEX-450 Exam
Programmatic Development using Apex and Visualforce in Lightning Experience
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All the information you need to pass Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience DEX-450 exam and free practice exam verified by ExamDiscuss exam experts.
One of the key benefits of obtaining the Salesforce DEX-450 certification is that it demonstrates a developer's ability to build custom applications on the Salesforce platform using programmatic techniques. Programmatic Development using Apex and Visualforce in Lightning Experience certification can help developers stand out in the job market, as it is a highly sought-after skill set among Salesforce employers. Additionally, the certification provides developers with access to a community of like-minded professionals who are also certified in programmatic development using Apex and Visualforce in Lightning Experience.
One of the key skills that the DEX-450 exam assesses is the ability to write Apex code to automate business processes and customize Salesforce functionality. This includes writing triggers, classes, and controllers, as well as using Apex to integrate with external systems. DEX-450 exam also tests candidates on their knowledge of Visualforce, which is used to create custom user interfaces and pages within Salesforce.
| Topic | Details |
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| Topic 1 | - Describe the syntax of a trigger definition
- Display data from a record in a Visualforce page
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| Topic 2 | - Write a basic query using Salesforce’s query language, SOQL
- Write Apex to invoke DML operations and handle DML errors
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| Topic 3 | - Write tests for action methods, getters, setters, and properties
- List the differences between the ways you can invoke DML operations
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| Topic 4 | - Describe practices for writing code that is easy to maintain and extend
- Write triggers and classes that assume batches of data as input
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| Topic 5 | - Write a query that traverses a child-to-parent and parent-to-child relationship
- Creating Roll-Up Summary Fields
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| Topic 6 | - Describe how triggers fit into and can be impacted by the Order of Execution
- Building a Data Model on the Salesforce Platform
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| Topic 7 | - Process the result of a query in Apex
- Understanding Record Types
- Use trigger context variables
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| Topic 8 | - Describe the memory lifecycle for static attributes
- Use Platform Events for Immediate Error Logging
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| Topic 9 | - Describe strategies for Testing Visualforce controllers
- Use SOQL to Query Parent-Child Relationships
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