Marc Bliek@MarcsLabNetherlandsFollow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork ExperienceMarcsLab has not updated employment details yet.EducationMarcsLab has not updated education details yet.