{keyword} Union All Select Null,null,null-- Djgp 〈CERTIFIED〉

Instead of building strings, use prepared statements. This treats input as "data" rather than "executable code."

While this might seem like just a string of code, it’s actually a great jumping-off point for a blog post about and database protection . Beyond the Payload: Understanding SQL Injection and "DJGP" {KEYWORD} UNION ALL SELECT NULL,NULL,NULL-- DJGP

If you expect a zip code, don't accept a string that starts with UNION . Instead of building strings, use prepared statements

The snippet {KEYWORD} UNION ALL SELECT NULL,NULL,NULL-- is a classic attack pattern. Instead of building strings