MySQL Database Tutoring for Retired Programmer

I am an older database programmer in need of up-to-date training on how to access and manipulate MySQL databases. I have had one of my website applications updated. It uses Hostinger Hosting for the host sql database on their Linux server... (Budget: $15 - $25 USD, Jobs: Database Administration, Database Design, Database Development, Database Management, Linux, Local Job, MySQL, PHP, Visual Studio)