2:insert into student(studentid,studentname,classid,age,sex) value ('1001','谢志峰','2101','18','男')...........;
3:select * from student where studentname = '朱韵华';
4: select * from student where studentid = '1001';
5: select * from student where sex = '男';
6: update studnet set studentid = '1005' where studentname = '张业阳';