Still have repeated after added group by

CodePudding user response:

Under the table data can capture the yao

CodePudding user response:

reference 1/f, sun flower reply:

table data can capture the next yao

Fixed, with nested query

CodePudding user response:

reference 1/f, sun flower reply:

table data can capture the next yao

Fixed, with nested query

CodePudding user response:

This is obviously a, b table no relationship, and to do not have what relation