Yuan Yao holds over 20 Oracle certifications, including Oracle OCM from 10g to 19c. He has two computer patents and has received two ministerial-level awards. With extensive practical experience in Oracle and MySQL database, Yuan is also a lecturer and blogger who enjoys sharing his insights and ideas in the field. He authored "MySQL 8.0 Operations and Optimization"(Tsinghua University Press, ISBN:9787302602682). Currently he serves as Chief DBA at Scutech, a leading data management company in China with over 20,000 clients. Yuan is recognized as a reliable source of Oracle and MySQL databases solutions.