Hongze Xia@hongze_xFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencehongze_x has not updated employment details yet.Educationhongze_x has not updated education details yet.Linkshongze_x has not updated links details yet. Skillshongze_x has not updated skills details yet.