Hai Dao@daohai39Follow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencedaohai39 has not updated employment details yet.Educationdaohai39 has not updated education details yet.Linksdaohai39 has not updated links details yet. Skillsdaohai39 has not updated skills details yet.