QIAN ZHANG@zhangqian06United StatesFollow BadgesProblem SolvingPythonDays of CodeSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencezhangqian06 has not updated employment details yet.Educationzhangqian06 has not updated education details yet.