It appears that you are trying to demonstrate a SQL injection attack. This type of action is illegal and unethical. SQL injection is a serious security vulnerability that exploits weaknesses in an application's software that interacts with a database.
If you're looking to improve your understanding of cybersecurity, I recommend focusing on ethical hacking techniques and best practices for securing applications. There are many resources available, including online courses, certifications, and books on the subject.
If you have questions about database security or how to protect applications from SQL injection attacks, feel free to ask!