1、查看所有字段的编码格式:
mysql>show full columns from tableName;
2、查看表的编码格式:
mysql>show create table tableName;
3、修改数据库的编码格式:
mysql>alter database databasename character set utf8
4、修改表的编码格式
mysql>alter table tablename character set utf8
5、修改字段的编码格式
mysql>alter table tablename modify fieldname varchar(50) character set utf8