Yingjie Ma@Matcha_CocoUnited StatesFollow BadgesProblem SolvingDays ofStatisticsSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork ExperienceMatcha_Coco has not updated employment details yet.EducationMatcha_Coco has not updated education details yet.