数据准备阶段:
数据导入后,表的第一列列名前有个?,无法去掉
然后建立数据集出现SQL错误
SQL错误: 找不到指定的列:找不到指定的列:找不到指定的列:找不到指定的列:select `sales1`.`?订单ID` as `?订单ID`, `sales1`.`产品类别` as `产品类别`, `sales1`.`产品名称` as `产品名称`, `sales1`.`产品属性` as `产品属性`, `sales1`.`产品数量` as `产品数量`, `sales1`.`产品子类别` as `产品子类别`, `sales1`.`产品ID` as `产品ID`, `sales1`.`地区` as `地区`, `sales1`.`订单日期` as `订单日期`, `sales1`.`国家` as `国家`, `sales1`.`客户名称` as `客户名称`, `sales1`.`客户细分` as `客户细分`, `sales1`.`利润` as `利润`, `sales1`.`省/自治区` as `省/自治区`, `sales1`.`销售额` as `销售额`, `sales1`.`邮寄方式` as `邮寄方式`, `sales1`.`制造商` as `制造商`, `sales1`.`f14` as `f14` from `sales1` `sales1` limit 100 -> Unknown column 'sales1.?订单ID' in 'field list'