SQL/MySQL/ORACLE DBA Learning

Hii all, I am interested in learning more about Database Management Systems (DBMS) and SQL development & Database Administration , and I was wondering if you offer any courses or training in this area. I would be grateful if you could provide more information on the course content, schedule, and pricing, if applicable. If you do not offer such a course yourself, could you kindly recommend any resources, institutions, or instructors who specialize in this field? I look forward to hearing from you and appreciate your time and help