text: use employees;
  
  select * from employees;
  
  select * from employees where first_name like 'E%';
  
  select * from employees where first_name like 'Elv%' and last_name like '_e%';
  
  select * from employees where first_name like 'Elv%' and last_name like '_e%' 
  and last_name not like '%n' ;