SQL programming task06 assignment - Autumn recruit secret script ABC

See the following articles for details ,
All are original by the author , References have been marked .

• Autumn move script A
  link ：https://blog.csdn.net/xpl_1620/article/details/120451637

• Autumn move script B
  link ：https://blog.csdn.net/xpl_1620/article/details/120484558

• Autumn move script C
  link ：https://blog.csdn.net/xpl_1620/article/details/120506404

All used in the exercises SQL sentence , See compressed file for details ：
DataWhale Team learning -SQL Autumn move script ABC.zip
link ：https://download.csdn.net/download/xpl_1620/25395844