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

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.

The payload you provided, ' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- , is a common pattern used in to determine the number of columns returned by an original database query. What this Payload Does The primary objective of using this payload is

If the original query has 8 columns, the page will likely load normally or show an extra row of empty data. ' UNION ALL SELECT NULL

: Attempts to select 8 columns of "null" data. The primary objective of using this payload is