Dmitry Lisenenkov@killedfoxFollow BadgesProblem SolvingSqlRuby CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencekilledfox has not updated employment details yet.EducationNoLinkskilledfox has not updated links details yet. Skillskilledfox has not updated skills details yet.