DROP FUNCTION zarabiajacy_wiecej_niz;
DROP FUNCTION statystyki_departamentu;
DROP FUNCTION nazwisko_szefa;
DROP PROCEDURE przenies_pracownika;
DROP FUNCTION pensje_dzisiaj;

DROP INDEX emp_name_ix;
DROP INDEX emp_manager_ix;
DROP INDEX emp_job_ix;
DROP INDEX emp_department_ix;

DROP VIEW emp_details_view;
DROP VIEW szczegoly_pracownika;

DROP TABLE job_history;
DROP TABLE employees;
DROP TABLE jobs;
DROP TABLE departments;
DROP TABLE locations;
DROP TABLE countries;
DROP TABLE regions;

DROP SEQUENCE employees_seq;
DROP SEQUENCE departments_seq;
DROP SEQUENCE locations_seq;
