Mikołaj Grzywacz@mikolaj_grzywac1PolandFollow BadgesProblem SolvingJavaSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencemikolaj_grzywac1 has not updated employment details yet.Educationmikolaj_grzywac1 has not updated education details yet.