{keyword} Union All Select Null,null,null,null,null,null,null,null-- Ppsq -

The primary goal of this specific syntax is to returned by the original, legitimate database query.

: If the number of NULL values does not match the original query's column count, the server usually returns an error (like a 500 Internal Server Error). The primary goal of this specific syntax is

: When the number of NULL s matches exactly (in your case, 8 columns), the page will load normally or show an extra blank row, confirming the database structure. Why This Matters The primary goal of this specific syntax is

: This is a SQL comment marker that tells the database to ignore the rest of the original query, preventing errors from leftover code. How it Works The primary goal of this specific syntax is