The easiest way to detect a SQL injection, and any vulnerability using Burp Suite, is through a scanner. To use a scanner, you do the following:
- Open Burp Suite to view the main Dashboard, as shown in the following screenshot. Note that this is only available in the Professional Edition; the Community Edition does not have Scanner as an option. If you use the Community Edition, then use the scanner included in ZAP Proxy (which can be found here: https://www.owasp.org/index.php/OWASP_Zed_Attack_Proxy_Project):

- In this screen, click on New scan. This button will launch the wizard to configure the scan; here, you can add ...