Salesforce Object Query Language (SOQL) is one of the most important concepts in Salesforce Apex development. It is used to fetch data from Salesforce objects, such as Account, Contact, Opportunity, and custom objects.
If you are learning Salesforce or working as a developer, understanding SOQL is essential because almost every Apex class and trigger uses queries to retrieve data.
In this tutorial, we will learn about Salesforce Object Query Language (SOQL) in Apex, from beginner to advanced, with real-world examples, syntax, best practices, and common mistakes.
I will explain when to use SOQL and how to write SOQL in Apex to search and filter Salesforce data effectively.