use employees;

select * from employees
where emp_no = '999903' ; #Here The Row Is Empty So I Inserted New Data

insert into employees
set
 emp_no = '999903',
 birth_date = '1997-02-09',
 first_name = 'Shon',
 last_name = 'Frost',
 gender = 'M',
 hire_date = '2019-07-25' ;

insert into titles # titles is child table where related to employees which describes about the position of employee
set
 emp_no = '999903',
 title = 'Data Scientist',
 from_date = '2019-07-25' ;

commit ;

delete from employees
where emp_no = '999903' ;

rollback ;