Punnakun Phongsai@ccos505Follow BadgesProblem SolvingSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experienceccos505 has not updated employment details yet.EducationChulalongkorn UniversityChulalongkorn UniversityLinksccos505 has not updated links details yet. Skillsccos505 has not updated skills details yet.