Table structure as
Keyword regions
Changshu where there is to learn tattoo of changshu
Domestic tattoo training in normal schools NULL
Qingdao tattoo which school training normal Qingdao
In Qingdao, where learn tattoo Qingdao
want to the following results:
CodePudding user response:
The pivot and unpivot, line column, column career changeCodePudding user response:
CodePudding user response:
The