{keyword} And 4477=4477 -

SELECT * FROM products WHERE category = '{KEYWORD} AND 4477=4477';

: Developers prevent this by using parameterized queries (prepared statements), which ensure that the database treats the entire string as literal text rather than executable code. {KEYWORD} AND 4477=4477

: This represents a legitimate search term or data field (like a username or product ID) that the web application expects to receive. SELECT * FROM products WHERE category = '{KEYWORD}