CREATE TABLE ZATRUDNIENI4(
Z_ID NUMBER(6) CONSTRAINT Z_PK PRIMARY KEY,
Nazwisko VARCHAR2(12) CONSTRAINT Z_naz NOT NULL,
Imie VARCHAR2(12) CONSTRAINT Z_imie NOT NULL,
Start_date DATE CONSTRAINT Z_data NOT NULL
                CONSTRAINT Z_data_2 CHECK (Start_date>TO_DATE('01/01/2006','DD/MM/YYYY')),
Pensja NUMBER(8,2) CONSTRAINT Z_pensja NOT NULL
                   CONSTRAINT Z_pensja_2 CHECK (pensja <5500))
STORAGE(
INITIAL 40665088
NEXT 819200
PCTINCREASE 0
MAXEXTENTS UNLIMITED)
PCTFREE 20
PCTUSED 60
INITRANS 1;