Christian Stingl@c_stinglFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencec_stingl has not updated employment details yet.Educationc_stingl has not updated education details yet.Linksc_stingl has not updated links details yet. Skillsc_stingl has not updated skills details yet.