-4072 Union All Select 34,34,34,34,34,34,34,34,'qbqvq'||'jjfyfcsbhiaqjbgtmfklbhgdmkxoqklhnbnewgpa'||'qqbqq'--: Zthd

: A specific string used by automated scanners (like SQLmap) to confirm the injection was successful.

: Ensure the database user has limited permissions. : A specific string used by automated scanners

: Only allow specific characters (e.g., numbers only for an ID field). : A specific string used by automated scanners

: Acts as "fillers" to match the number of columns in the original table. : A specific string used by automated scanners