我有一个像这样的桌子‘预订’:date,sponsorSELECT Sponsor, COUNT(booking_id) AS cGROUP BY现在,我想看看客户预订的日期。我尝试使用STUFF() (在本文中引用:),但它与group-by语句冲突。M Sponsor Client c
March AB
我收到了错误消息:"AttributeError:'str‘对象没有属性'append'“,代码如下:"""Returns mimic dict mappingeach word to list of words which follow it."""f = open(filename, 'r')spli