using -- to prevent syntax errors.
in the original database query (indicated by the repeated 34 ). using -- to prevent syntax errors
(like 'qbqvq' , 'uDJcQBhPBT' , and 'qqbqq' ) to confirm that the injected code is successfully being executed and displayed in the output. using -- to prevent syntax errors
Specifically, this string uses the UNION ALL SELECT statement to attempt to: using -- to prevent syntax errors