The method of sorting in function of parameters MYSQL GROUP_CONCAT ()

 

 

When used in mysql GROUP_CONCAT () function to connect specified field, the first field can be sorted.

 

PS: mysql brush is because the two 51-question question 12 encounter: information inquiry and "01" was exactly the same course of study students of other students

 

This function is too much

 

Official website of the explanation for this function: https: //dev.mysql.com/doc/refman/5.7/en/group-by-functions.html

 

 

 

 

The following image TrackBack URL: https: //cloud.tencent.com/developer/article/1446333