Grzegorz Chorazyk@grzechoPolandFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencegrzecho has not updated employment details yet.Educationgrzecho has not updated education details yet.