Help with Vaadin 14 as a UI for mariaDB

I am very new to Vaadin and I’ve been trying for over a week to make a UI for a mariaDb. Does anyone know a good up to date tutorial on how to display data from an external database? I’ve found a lot of old tutorials but they all use prebuilt projects or are super out of date.

If nothing else I’d love to ask a few specific questions to anyone who is willing to answer.
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Hi,

There is a recent tutorial to build Vaadin application with Spring boot and you can connect to MariaDB:
https://vaadin.com/learn/tutorials/modern-web-apps-with-spring-boot-and-vaadin

and you have a link here:
https://dzone.com/articles/how-to-connect-a-mysql-database-to-a-vaadin-applic

If you don’t want to use Spring boot or if you already have your project without Spring boot you can explain your problem and ask your question here.