Combined with outer nested would be an error, why? How to solve,

CodePudding user response:

You selected this statement now, you try all the data, should also be an error,

CodePudding user response:

reference 1st floor selling fruit net reply:

you selected this statement now, all the data on a try, you should also be an error,

the result set is wow, don't complain

CodePudding user response:

Table structure and test data are posted, the need to test it

CodePudding user response:

Don't use a select *, try the field name,