{keyword} Union All Select Null,null-- Ncag Site

The primary goal of this specific payload is to returned by the original query. In a UNION attack, the injected query must have the exact same number of columns as the original for the operation to succeed. Breakdown of the Syntax

The keyword and syntax you provided are associated with a , specifically used to probe the structure of a database. {KEYWORD} UNION ALL SELECT NULL,NULL-- NcAG