Krzysztof Sławański@czesiekankietyPolandFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experienceczesiekankiety has not updated employment details yet.EducationPolish-Japanese Institute of Information Technology in WarsawInformation Technology, BE