It’s true. Feng Ge is a person with more than 10 years of experience in large-scale Oracle and MySQL related database services. Feng Ge database is a free tutorial, so it is true. Feng Ge Tutorial is the Feng Ge database tutorial learning center of 51CTO College, and the registered trademark patent is Feng Ge Education. The lecturer: Feng Ge is a 51CTO gold medal lecturer (ranked in the top five), 51CTO database teaching director, MBA master's degree, PMP project manager, Founder of ITPUX Technology Network, has more than 10 years of experience in large-scale Oracle and MySQL related database services; has obtained more than 10 IT certifications and management certificates such as OracleOCM/OCP/MBA/PMP/IBM; has professionally trained thousands of database disciples in recent years , the number of course students reaches 3 million+.