今天遇到了一个异常，在插入数据库的时候报错，报错内容如下：
### Error updating database. Cause: java.sql.SQLException: Incorrect string value: '\xE5\x8F\xA3\xE7\x81\xAB...' for column 'name' at row 1
### The error may exist in com/cashway/record/mapper/BusinessMapper.java (best guess)
### The error may involve com.cashway.record.mapper.BusinessMapper.insert-Inline
### The error occurred while setting parameters
### SQL: INSERT INTO tb_business ( id, pid, name, created_by, created_time, updated_by, updated_time ) VALUES ( ?, ?, ?, ?, ?, ?, ? )
### Cause: java.sql.SQLException: Incorrect string value: '\xE5\x8F\xA3\xE7\x81\xAB...' for column 'name' at row 1
; uncategorized SQLException; SQL state [HY000]; error code [1366]; Incorrect string value: '\xE5\x8F\xA3\xE7\x81\xAB...' for column 'name' at row 1; nested exception is java.sql.SQLException: Incorrect string value: '\xE5\x8F\xA3\xE7\x81\xAB...' for column 'name' at row 1
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:89) ~[spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:91) ~[mybatis-spring-2.0.6.jar:2.0.6]
查了一波是说数据库字符集有问题，所以在保存中文内容的时候会报错，需要改数据库的字符集，于是便有了下面这句，修改数据库的字符集。
alter database 数据库名 character set utf8;