Dehai Liu@vitodhzzzMaster student of Statistics at University of WashingtonUnited StatesFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencevitodhzzz has not updated employment details yet.Educationvitodhzzz has not updated education details yet.