Article From:https://www.cnblogs.com/hello-dummy/p/9216814.html

That is to filter out the value of the same columns: look at the name below.


SELECT DISTINCT name FROM t_student

Name can only be added here, and more errors will be added, meaning that only one column can be added.

Such as: SELECT DISTINCT name FROM t_student


 

 After going back to weight:

 

Link of this Article: Go back to DISTINCT

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