Vladlen Nikitin@vladlen_nikitinRussiaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencevladlen_nikitin has not updated employment details yet.Educationvladlen_nikitin has not updated education details yet.