Xingchun has 15 years of experience in database deployment, has passed certificates such as 11G OCM, 12c ocm myslq ocp, ogg ocp, webloigc ocp, etc., and has a certain understanding of the Oracle 8i 9i 10g architecture.He is good at troubleshooting, performance tuning, backup and recovery, and has extensive experience in telecommunications, finance, medical, and government industries.