{keyword} Union All: Select Null,null,null,null,null,null,null,null-- Xgkf

: The attacker is attempting to match the number of columns returned by the original query. If the number of columns in the SELECT statement doesn't match the original, the database will return an error.

: This operator combines the result set of the original query with a new, forged query. UNION ALL is often preferred over UNION because it is faster and doesn't remove duplicate rows, which can sometimes interfere with the attack. SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL : : The attacker is attempting to match the

: This represents the original, legitimate input (e.g., a search term or ID). The attacker appends the malicious code to this keyword to "break out" of the intended query. UNION ALL is often preferred over UNION because

: This is the SQL comment indicator. It instructs the database to ignore the remainder of the original developer's query, preventing syntax errors that would occur from the trailing code. : This is the SQL comment indicator