Sergey Tarasov@Crafy_STRussiaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork ExperienceCrafy_ST has not updated employment details yet.EducationCrafy_ST has not updated education details yet.