{keyword};select Dbms_pipe.receive_message(chr(108)||chr(98)||chr(116)||chr(86),5) From Dual-- -

Use "Prepared Statements" so the database treats the input as literal text, not executable code [7].

The goal of this specific "Sleep" command isn't to steal data immediately, but to . If the application takes exactly 5 seconds longer than usual to respond when this string is entered, the attacker knows the database is vulnerable to SQL injection [2]. Once confirmed, they can use similar time-based techniques to extract sensitive data one character at a time. How to Protect Your System Use "Prepared Statements" so the database treats the

If you are seeing this in your logs, your system is being scanned for vulnerabilities. You should take the following steps immediately: Use "Prepared Statements" so the database treats the