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

If the column count is wrong (e.g., the original query has 7 or 9 columns), the database will return an error.

: This is a SQL comment, which tells the database to ignore the rest of the original, legitimate query that follows. The Goal of the Attack If the column count is wrong (e

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. For a UNION operation to work, the injected

: Attempts to select 8 columns of "null" data. NULL is used because it is compatible with

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

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.