-3216' Union All Select 34,34,34,34# Direct

: This operator combines the results of the original query with a new one. By using UNION ALL , the attacker can inject their own data into the results page.

: In MySQL, this symbol marks the rest of the original query as a comment , effectively deleting the remaining code (like WHERE clauses or authentication checks) to bypass security. Purpose of This "Piece" -3216' UNION ALL SELECT 34,34,34,34#

: Determining the column count is the first step toward extracting sensitive data, such as usernames and passwords. : This operator combines the results of the

: If the page displays the number "34" several times, it confirms the site is vulnerable to SQL injection. -3216' UNION ALL SELECT 34,34,34,34#