Wenwen Bi@Vivian_BiUnited StatesFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork ExperienceVivian_Bi has not updated employment details yet.EducationVivian_Bi has not updated education details yet.