Injections

Introduction SQL injection (SQLi) happens when user input changes the final SQL query sent by a web application. The impact ranges from reading sensitive data to modifying records or writing files on the server. This guide merges database basics with practical SQLi techniques and commands so you can connect theory to hands-on exploitation. Database Foundations Modern web applications rely on databases to store content, user data, and configuration. Understanding DBMS structure and query behavior helps you predict how an injection point will behave and which payloads are likely to work. It also helps you distinguish between relational and non-relational systems when fingerprinting the backend. ...