Xu Chen@xu_chen_guUnited StatesFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencexu_chen_gu has not updated employment details yet.Educationxu_chen_gu has not updated education details yet.