Roy Liu@roycliuFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experienceroycliu has not updated employment details yet.Educationroycliu has not updated education details yet.Linksroycliu has not updated links details yet. Skillsroycliu has not updated skills details yet.