-1469 Union All Select 34,34# -

If a website isn't "sanitizing" user input, an attacker can use these tricks to:

The best way to prevent this is to use (parameterized queries). This ensures the database treats the input as literal text, not as a command to be executed. -1469 UNION ALL SELECT 34,34#

: This is a dummy value. By using a negative or non-existent ID, the attacker ensures the first part of the query returns no results, making room for the injected data to show up. If a website isn't "sanitizing" user input, an

: This operator combines the results of two different SELECT statements into a single result set. By using a negative or non-existent ID, the

Access private user info or credit card numbers. Bypass Login: Log in as an admin without a password. Wreak Havoc: Delete or modify entire databases. How to Stay Safe

: The attacker is trying to match the number of columns in the original query. If the page loads "34," they know the table has two columns and they can start pulling real data (like usernames or passwords) in those slots.