Juntao Dong@juntaodongUnited StatesFollow BadgesProblem SolvingDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencejuntaodong has not updated employment details yet.Educationjuntaodong has not updated education details yet.