使用 MySQL 查询获取字符串的最后 5 个字符？

SELECT RIGHT(yourColumnName, valueOfN) as anyVariableName from yourTableName;

mysql> create table gettingLast5Characters
   −> (
   −> BookName varchar(100)
   −> );
Query OK, 0 rows affected (0.73 sec)

mysql> insert into gettingLast5Characters values('Introduction to C');
Query OK, 1 row affected (0.19 sec)

mysql> insert into gettingLast5Characters values('C in Depth');
Query OK, 1 row affected (0.18 sec)

mysql> insert into gettingLast5Characters values('Introduction to Java');
Query OK, 1 row affected (0.18 sec)

mysql> insert into gettingLast5Characters values('Let us C');
Query OK, 1 row affected (0.51 sec)

mysql> select *from gettingLast5Characters;

+----------------------+
| BookName             |
+----------------------+
| Introduction to C    |
| C in Depth           |
| Introduction to Java |
| Let us C             |
+----------------------+
4 rows in set (0.00 sec)

mysql> select RIGHT(BookName,5) as Last5Character from gettingLast5Characters;

+----------------+
| Last5Character |
+----------------+
| to C           |
| Depth          |
| Java           |
| us C           |
+----------------+
4 rows in set (0.04 sec)