sudoservicemysqlstart--启动mysql服务mysql-uroot--使用root用户登录quit/exit--退出setnamesutf8;--设置传输编码,避免中文乱码sourced:/xxx.sql;--source文件路径createtabletb_score(idint(11)notnullauto_increment,useridvarchar(20)notnull,subjectvarchar(20),scoredouble,primarykey(id))engine=innodbdefaultcharset=utf8;tab1:INSERTINTOtb_sc