MYSQL關聯視圖查詢數據慢

將視圖定義代碼直接寫入查詢語句web select * ,concat(man_mobile1,' ',man_mobile2,' ',man_mobile3) as man_mobile from `car` join `company` on car_company_id=company_id left join `man` on car_master_id=man_id left join

>>阅读原文<<