yunduo zhang@zhayunduoRFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork ExperiencezhayunduoR has not updated employment details yet.EducationNational University of Singapore (NUS), SingaporeInformation Technology, M.TechLinksGithubhttps://github.com/Gitrexx SkillszhayunduoR has not updated skills details yet.