Pg_sleep(5)-- — {keyword}');select

: This attempts to "break out" of a text field by providing a closing single quote.

This specific string is used to test if a database is vulnerable to "blind" attacks, where the server doesn't return data directly but its response time reveals information. {KEYWORD}');SELECT PG_SLEEP(5)--

: This is a SQL comment. It ignores the rest of the original, legitimate query so it doesn't cause a syntax error. 🔍 How to Use This for Testing : This attempts to "break out" of a

: Reject any input containing special characters like ; , -- , or SELECT in fields where they don't belong. {KEYWORD}');SELECT PG_SLEEP(5)--