{keyword} And (select 8148 From(select Count(*),concat(0x7162717671,(select (elt(8148=8148,1))),0x7171627171,floor(rand(0)*2))x From Information_schema.character_sets Group By X)a)-- Qkgc Today

It looks like your query contains some SQL injection syntax ( SELECT COUNT , CONCAT , INFORMATION_SCHEMA ). If you're looking for an on how these types of database queries work—specifically regarding web security and SQL injection (SQLi) —I can certainly help with that. What is this code?

The snippet you provided is a classic example of an attack. It looks like your query contains some SQL

This is the gold standard. Instead of building a query string with user input, you use placeholders ( ? ). The database treats the input strictly as data, never as executable code. The snippet you provided is a classic example of an attack

If you are a developer, you can stop these attacks using three main methods: Extract table names and column structures.

like usernames, hashed passwords, or emails. How to Prevent It

Only allow the types of characters you expect. If a user is searching for a "Keyword," they probably don't need to use parentheses or semicolons.

If a website's search bar or URL parameter isn't properly "sanitized," an attacker can use this method to: (e.g., MySQL, PostgreSQL). Extract table names and column structures.