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Programmatic Development using Apex and Visualforce in Lightning Experience
Last Updated: Oct 2, 2024
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237 Questions and Answers for the Salesforce DEX-450 exam
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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Syllabus
- Describe how triggers fit into and can be impacted by the Order of Execution/ Building a Data Model on the Salesforce Platform
- Referencing Custom Controllers and Controller Extensions/ Use the sObject data type, the primitive data types, and basic control statements in Apex
- Process the result of a query in Apex/ Understanding Record Types/ Use trigger context variables
- Describe strategies for Testing Visualforce controllers/ Use SOQL to Query Parent-Child Relationships
- Write a query that traverses a child-to-parent and parent-to-child relationship/ Creating Roll-Up Summary Fields
- Write a basic query using Salesforce’s query language, SOQL/ Write Apex to invoke DML operations and handle DML errors
- Write tests for action methods, getters, setters, and properties/ List the differences between the ways you can invoke DML operations
- Describe the syntax of a trigger definition/ Display data from a record in a Visualforce page
- Describe common limit issues and security concerns/ Launch a Visualforce page using a custom button
- Visualforce Development Considerations and Testing/ Determine what data an Apex class can access
- Describe the memory lifecycle for static attributes/ Use Platform Events for Immediate Error Logging
- Describe practices for writing code that is easy to maintain and extend/ Write triggers and classes that assume batches of data as input