If you're building an application, you should never let user input go directly into a database query. Instead, use these industry-standard defenses:
: This is a comment operator in SQL. It tells the database to ignore the rest of the original query, preventing errors from trailing code. How to Prevent This If you're building an application, you should never
: This attempts to combine the results of the original legitimate database query with a new query controlled by the attacker. If you're building an application
Ensure your database user account only has the permissions it absolutely needs (e.g., a web app shouldn't have permission to drop tables). If you're building an application, you should never