{keyword} And — 5161=2181-- Qoyo

If the page loads normally (the same as the original, legitimate query), it tells the attacker that the query is being evaluated, but the AND False didn't change the outcome.

If the page breaks, returns an error, or shows no content, it confirms that the application is vulnerable to SQL injection because the AND False successfully changed the query's behavior. {KEYWORD} AND 5161=2181-- qoyo

: This is a Boolean statement. The server evaluates this as False because 5161 does not equal 2181. If the page loads normally (the same as