{keyword}' Union All Select Null,null,null,null,null,null,null,null-- Jynz | Trusted BUNDLE |

The primary objective of using this payload is . For a UNION operation to work, the injected query must have the exact same number of columns as the original query.

If the original query has 8 columns, the page will likely load normally or show an extra row of empty data. The primary objective of using this payload is

: Appends a new set of results to the original query's output. : Appends a new set of results to

NULL is used because it is compatible with almost any data type (string, integer, date, etc.), ensuring the query won't fail due to data type mismatches. This specific string is designed to be appended

: Attempts to select 8 columns of "null" data.

This specific string is designed to be appended to a vulnerable input field (the {KEYWORD} in your example) to probe the database structure: : Closes the original string literal in the SQL query.