In a real-world scenario, a developer might mistakenly include this in a database query like this:
: Appends the results of a second query to the first [3, 4]. {KEYWORD}' UNION ALL SELECT NULL#
SELECT name, description FROM products WHERE category = '{KEYWORD}' UNION ALL SELECT NULL, NULL#'; How it works: : Closes the original data string [2]. In a real-world scenario, a developer might mistakenly