–查看学生表的全部数据 select * from studio –插入一个新的学生信息 insert into studio(st_name,st_sex,st_age,st_add,st_tel) values(“黄兰淇”,0,36,’南充’,’13943943334′) –查看class全部数据 select * from class –向class表增加两条条数据 insert into class(cl_class,cl_coding,cl_o_time,cl_remark) valu