{keyword} Union All Select Null-- Kjag 📌

If you are seeing this in a content management system (CMS) or a search bar, it usually means:

: This is a SQL comment symbol. It tells the database to ignore the rest of the original query, effectively "breaking" the intended logic to execute the injected command instead. {KEYWORD} UNION ALL SELECT NULL-- KJAg

: The UNION operator combines the results of two or more SELECT statements. By using SELECT NULL , a tester can determine how many columns the original database query expects without triggering a data-type error. If you are seeing this in a content