이승윤 @seungyun9403Follow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experienceseungyun9403 has not updated employment details yet.EducationKorea University, SeoulMSLinksseungyun9403 has not updated links details yet. Skillsseungyun9403 has not updated skills details yet.