Home > database >  Turn a problem order layered model
Turn a problem order layered model

Time:10-27

Problem description:
Excel operation: 1: need according to the driver number, how many drivers day order quantity
2: according to the quantity of single layered driver again, how many 1 single driver, how many single driver 2 * * * *

SQL questions: 1: according to the number identified the corresponding orders drivers, but can't classify according to order 1-50 points, how many people is 1 sheet, how many single 2, the driver model order
2: if you can according to the talent for 1 single - 50 single order number, you'd better the driver

CodePudding user response:

Select the driver orders, count (*) as the number of the from
(select sijibianhao, count (*) as the driver order
The from sijifenceng
A group by sijibianhao)
Group by the driver order
The order by the number of

Combined a layer, the result is corresponding driver number orders
  • Related