Sergey Ryzhov@sryzhovFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencesryzhov has not updated employment details yet.Educationsryzhov has not updated education details yet.Linkssryzhov has not updated links details yet. Skillssryzhov has not updated skills details yet.