Nan Feng@vonnanData ScientistFollow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencevonnan has not updated employment details yet.Educationvonnan has not updated education details yet.Linksvonnan has not updated links details yet. Skillsvonnan has not updated skills details yet.