: These can block common "UNION ALL" patterns before they ever reach your database.
: This is the most effective defense.
: This is a dummy value. By using a negative or non-existent ID, an attacker forces the original database query to return no results. -1697 UNION ALL SELECT 34#
To prevent these types of attacks, developers should never insert user input directly into SQL queries. Instead, you should use: : These can block common "UNION ALL" patterns