For Detail Explanation, can be seen on my article in Medium : https://medium.com/@arisusantolie/spring-websocket-with-sockjs-using-database-mysql-or-mariadb-html-javascript-21da7d71d936
Or in My personal Blog : https://arisusantolie.my.id/spring-websocket-with-sockjs-using-database-mysql-or-mariadb-html-javascript/
#database mariadb/mysql for export https://drive.google.com/file/d/1RszoMVPsRtYV8Y8abniKvzw6XNB5m6Ok/view?usp=sharing