Good example: https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fwww.ermodelexample.com%2Fwp-content%2Fuploads%2F2019%2F10%2Ftrouble-working-with-composite-key-in-phpmyadmin-stack-in-erd-composite-key.jpg&f=1&nofb=1&ipt=a54a2cb0650d2d636ee0b26d7b5da3f22dd9b4e148448c50a972e5224838c25c
