Salesforce REST API Integration: Complete Guide to Http Classes, @RestResource, Test Classes, and Exception Handling
REST API integration is at the heart of most modern Salesforce implementations. Whether your org needs to consume data from an external service or expose Salesforce data to the outside world, Apex provides a robust set of classes and annotations to make this seamless. This comprehensive guide covers everything — outbound HTTP callouts, inbound REST endpoints, writing complete test classes with mocks, and resolving the most common exceptions you will encounter in real projects
Apex Trigger Best Practices and Design Patterns in Salesforce
Apex Triggers are one of the most powerful — and most misused — features in Salesforce development. Poorly written triggers cause governor limit exceptions, data corruption, and maintenance nightmares. This guide covers the definitive best practices and design patterns every Salesforce developer must follow when writing Apex Triggers. What is an Apex Trigger? An Apex Trigger is code that executes before or after specific DML events on a Salesforce object: insert, update, dele
Salesforce SOQL Query Cheat Sheet: Complete Reference for Developers
SOQL (Salesforce Object Query Language) is one of the most essential skills for any Salesforce Developer or Admin. This cheat sheet covers all the key SOQL syntax, operators, relationship queries, aggregate functions, and governor limits you need for day-to-day development and certification exams. Basic SOQL Syntax The basic structure of a SOQL query is: SELECT field1, field2 FROM ObjectName WHERE condition ORDER BY field LIMIT n Example: SELECT Id, Name, Industry FROM Accoun
How to Pass the Salesforce Platform Developer 1 (PD1) Exam: Complete Study Guide
The Salesforce Platform Developer I (PD1) certification is the most widely recognised credential for Salesforce developers. It validates your knowledge of core development concepts including Apex, SOQL, SOSL, Visualforce, Lightning Web Components, and the Salesforce platform fundamentals. This guide walks you through everything you need to pass the exam on your first attempt. Exam Overview Exam Name: Salesforce Certified Platform Developer I Number of Questions: 60 multiple-c