SELECT cstmr_type FROM add_vehicle WHERE cstmr_type = 'Visitor' AND cstmr_type = 'Hospital'; SELECT cstmr_type FROM add_vehicle WHERE cstmr_type = 'Visitor' & 'Hospital';
嘗試使用IN關鍵字
SELECT cstmr_type FROM add_vehicle WHERE cstmr_type IN ('访客', '医院')
嘗試使用IN關鍵字