Martin Ding@madi8516Data AnalystFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencemadi8516 has not updated employment details yet.Educationmadi8516 has not updated education details yet.Linksmadi8516 has not updated links details yet. Skillsmadi8516 has not updated skills details yet.