用列的值填充字符串后如何更新 MySQL 表？

mysql> Update examination_btech set course = RPAD(Course, 11,'(CSE)');
Query OK, 10 rows affected (0.16 sec)

mysql> Select * from examination_btech;
+-----------+----------+-------------+
| RollNo    | Name     | Course      |
+-----------+----------+-------------+
| 两0171两001 | Rahul    | B.tech(CSE) |
| 两0171二00二 | Raman    | B.tech(CSE) |
| 二0171两003 | Sahil    | B.tech(CSE) |
| 两0171两004 | Shalini  | B.tech(CSE) |
| 两0171两005 | Pankaj   | B.tech(CSE) |
| 两0171两006 | Mohan    | B.tech(CSE) |
| 两0171两007 | Yash     | B.tech(CSE) |
| 二0171二008 | digvijay | B.tech(CSE) |
| 两0171两009 | Gurdas   | B.tech(CSE) |
| 两0171二010 | Preeti   | B.tech(CSE) |
+-----------+----------+-------------+
10 rows in set (0.00 sec)