So it was quite easy, i answered: To connect a database with backend code: Choose a database management system (e.g., MySQL, PostgreSQL, MongoDB). Install the appropriate database drivers for your backend language (e.g., JDBC for Java, psycopg2 for Python). Configure your backend code to establish a connection to the database using the drivers. Use CRUD (Create, Read, Update, Delete) operations in your backend code to interact with the database.