Shujing Lyu@sl4230Decision ScientistUnited StatesFollowAboutEducationColumbia University, New York BadgesProblem SolvingPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencesl4230 has not updated employment details yet.EducationColumbia University, New York