Today, on the 16th day of my Spring Boot learning journey, I delved into the process of connecting a REST API with a MySQL database. This enlightening lesson taught me how to establish a seamless link between my Spring Boot application (representing the REST API) and the MySQL database, allowing efficient communication between the two. As I progressed, I gained a comprehensive understanding of how user-entered data flows through the backend of the application. Utilizing Postman for testing, I could verify the correctness of my HTTP methods, ensuring that the API responded as intended. Upon testing the API with Postman, I eagerly inspected my MySQL database and was delighted to discover that a corresponding table had been created. Not only that, but the data I had sent through Postman was successfully stored within the database, a gratifying confirmation that my REST API and database connection were effectively functioning. This newfound knowledge has given me the confidence to build dynamic and interactive applications, empowering me further in my Spring Boot journey.