Dana Xiao@danqing_xiaoUnited StatesFollow BadgesProblem SolvingPythonDays ofStatisticsSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencedanqing_xiao has not updated employment details yet.Educationdanqing_xiao has not updated education details yet.