PLSQL_24.sql

declare
too_high_salary exception;
v_salary_check pls_integer;
begin
  select salary into v_salary_check from employees where employee_id = 100;
  if v_salary_check > 20000 then
    --raise too_high_salary;
 raise_application_error(-20243,'The salary of the selected employee is too high!');
  end if;
  --we do our business if the salary is under 2000
  dbms_output.put_line('The salary is in an acceptable range');
exception
  when too_high_salary then
  dbms_output.put_line('This salary is too high. You need to decrease it.');
end;


----------------- raise inside of the exception section
declare
too_high_salary exception;
v_salary_check pls_integer;
begin
  select salary into v_salary_check from employees where employee_id = 100;
  if v_salary_check > 20000 then
    raise too_high_salary;
  end if;
  --we do our business if the salary is under 2000
  dbms_output.put_line('The salary is in an acceptable range');
exception
  when too_high_salary then
  dbms_output.put_line('This salary is too high. You need to decrease it.');
  raise_application_error(-01403,'The salary of the selected employee is too high!',true);
end;