With ten years of experience in database operation and maintenance, and having obtained professional certificates such as Oracle 11G OCP, 12C OCP and 12C OCM. He is proficient in the architecture of Oracle 11g, 12c and 19c databases, and has a deep understanding of the core principles of Oracle. Skilled in database fault diagnosis and handling, large-scale database migration, performance optimization, disaster recovery and high availability architecture design and deployment. Deeply engaged in technology and fond of sharing.