This is one of the most important but confusing topics in Apex for many Salesforce developers.
Most beginners know SOQL. But very few understand how to build SOQL using Strings (Dynamic SOQL).
In real-time projects, you cannot always write fixed SOQL. You often need to build queries based on user input, conditions, filters, picklist values, or configuration.
This is where String Query in Apex (Dynamic SOQL) becomes very powerful. In this complete tutorial, you will learn String SOQL queries in Salesforce Apex.
- What is a string query in Apex
- Difference between static SOQL and Dynamic SOQL
- How to create SOQL using a string
- How to pass variables inside a string query
- How to add WHERE conditions dynamically
- How to add fields dynamically
- How to prevent SOQL Injection
- Real-time practical examples
- Best practices used in real projects
Let’s start from the basics.