John Alex@fswwdzaChinaFollow BadgesProblem SolvingJavaSqlC language CertificationsCertificate: Java (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencefswwdza has not updated employment details yet.Education重庆机电职业技术大学