Changgyu Oh@oh_csharpSDEFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experienceoh_csharp has not updated employment details yet.Educationoh_csharp has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/changgyu-oh/ Skillsoh_csharp has not updated skills details yet.