-9608 Union All Select Null,null,'qbqvq'||'cpvnpztzsgrdpcuujmewgurdixdburiyttqtktxy'||'qqbqq',null,null,null,null,null,null-- Vbom -

: This is a dummy value intended to make the original query return no results (by targeting a non-existent ID), allowing the results of the second query to take over the output.

: These are placeholders used to match the number of columns in the original database table. : This is a dummy value intended to

: This is a comment operator that tells the database to ignore the rest of the original, legitimate code. : This is a dummy value intended to

: This command combines the results of the original query with a new, custom query. : This is a dummy value intended to

The string you provided is a used to test for vulnerabilities in a database.