如何将 MySQL 表中的列值作为一组值返回？

mysql> Select * from Student_Name;
+---------+-------+---------+
| FName   | Mname | Lname   |
+---------+-------+---------+
| Rahul   | NULL  | Singh   |
| Gaurav  | Kumar | NULL    |
| Harshit | NULL  | Khurana |
| Yash    | Pal   | Sharma  |
+---------+-------+---------+
4 rows in set (0.00 sec)

mysql> Select MAKE_SET(1|4,fname,mname,lname)AS '(Fname,Lname)' from Student_name;
+-----------------+
| (Fname,Lname)   |
+-----------------+
| Rahul,Singh     |
| Gaurav          |
| Harshit,Khurana |
| Yash,Sharma     |
+-----------------+
4 rows in set (0.00 sec)