Mingzhe Cong@mc6638United StatesFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencemc6638 has not updated employment details yet.Educationmc6638 has not updated education details yet.