MySQL中有什么函数可以获取特定字符的数字代码？

ASCII(str)

mysql> SELECT ASCII('A') as 'ASCII VALUE OF CAPITAL A';
+--------------------------+
| ASCII VALUE OF CAPITAL A |
+--------------------------+
| 65                       |
+--------------------------+
1 row in set (0.00 sec)

mysql> SELECT ASCII('a') as 'ASCII VALUE OF CAPITAL a';
+--------------------------+
| ASCII VALUE OF CAPITAL a |
+--------------------------+
| 97                       |
+--------------------------+
1 row in set (0.00 sec)

mysql> SELECT ASCII('Abhay') as 'Left_most Character ASCII value';
+---------------------------------+
| Left_most Character ASCII value |
+---------------------------------+
| 65                              |
+---------------------------------+
1 row in set (0.00 sec)