For Krulji

CREATE TABLE  "JEDINICA_MJERE"
   (	"ID_JEDINICE_MJERE" NUMBER(3,0),
	"NAZIV_JEDINICE_MJERE" VARCHAR2(20),
	 CONSTRAINT "JEDINICA_MJERE_PK" PRIMARY KEY ("ID_JEDINICE_MJERE")
  USING INDEX  ENABLE
   )
/
CREATE TABLE  "ARTIKL"
   (	"ID_ARTIKLA" NUMBER,
	"NAZIV" VARCHAR2(20),
	"VRSTA_ARTIKLA" CHAR(1),
	"JEDINICNA_CIJENA" NUMBER(10,2),
	"ID_JEDINICE_MJERE" NUMBER(3,0),
	 CONSTRAINT "ARTIKL_PK" PRIMARY KEY ("ID_ARTIKLA")
  USING INDEX  ENABLE,
	 CONSTRAINT "CHECK" CHECK (VRSTA_ARTIKLA IN ('P', 'U', 'M')) ENABLE
   )
/
CREATE TABLE  "POSLOVNI_PARTNER"
   (	"ID_POSLOVNOG_PARTNERA" NUMBER,
	"NAZIV" VARCHAR2(20),
	"KONTAKT_ADRESA" VARCHAR2(20),
	"BROJ_TELEFONA" VARCHAR2(20),
	"BROJ_ZIRO_RACUNA" VARCHAR2(20),
	 CONSTRAINT "POSLOVNI_PARTNER_PK" PRIMARY KEY ("ID_POSLOVNOG_PARTNERA")
  USING INDEX  ENABLE
   )
/
CREATE TABLE  "ZAPOSLENIK"
   (	"ID_ZAPOSLENIK" NUMBER,
	"IME_I_PREZIME" VARCHAR2(20),
	"KONTAKT_TELEFON" VARCHAR2(20),
	 CONSTRAINT "ZAPOSLENIK_PK" PRIMARY KEY ("ID_ZAPOSLENIK")
  USING INDEX  ENABLE
   )
/
CREATE TABLE  "RACUN"
   (	"ID_RACUNA" NUMBER,
	"DATUM_DOSPIJECA" DATE,
	"ID_POSLOVNOG_PARTNERA" NUMBER,
	"ID_ZAPOSLENIKA" NUMBER,
	 CONSTRAINT "RACUN_PK" PRIMARY KEY ("ID_RACUNA")
  USING INDEX  ENABLE
   )
/
CREATE TABLE  "STAVKA_RACUNA_IVUK"
   (	"KOLICINA" NUMBER,
	"ID_RACUNA" NUMBER,
	"ID_ARTIKLA" NUMBER,
	 CONSTRAINT "STAVKA_RACUNA_IVUK_PK" PRIMARY KEY ("ID_RACUNA", "ID_ARTIKLA")
  USING INDEX  ENABLE
   )
/
ALTER TABLE  "RACUN" ADD CONSTRAINT "RACUN_FK1" FOREIGN KEY ("ID_POSLOVNOG_PARTNERA")
	  REFERENCES  "POSLOVNI_PARTNER" ("ID_POSLOVNOG_PARTNERA") ENABLE
/
ALTER TABLE  "RACUN" ADD CONSTRAINT "RACUN_FK2" FOREIGN KEY ("ID_ZAPOSLENIKA")
	  REFERENCES  "ZAPOSLENIK" ("ID_ZAPOSLENIK") ENABLE
/
ALTER TABLE  "STAVKA_RACUNA_IVUK" ADD CONSTRAINT "STAVKA_RACUNA_FK1" FOREIGN KEY ("ID_RACUNA")
	  REFERENCES  "RACUN" ("ID_RACUNA") ENABLE
/
ALTER TABLE  "STAVKA_RACUNA_IVUK" ADD CONSTRAINT "STAVKA_RACUNA_FK2" FOREIGN KEY ("ID_ARTIKLA")
	  REFERENCES  "ARTIKL" ("ID_ARTIKLA") ENABLE
/
ALTER TABLE  "ARTIKL" ADD FOREIGN KEY ("ID_JEDINICE_MJERE")
	  REFERENCES  "JEDINICA_MJERE" ("ID_JEDINICE_MJERE") ENABLE
/
CREATE UNIQUE INDEX  "ARTIKL_PK" ON  "ARTIKL" ("ID_ARTIKLA")
/
CREATE UNIQUE INDEX  "JEDINICA_MJERE_PK" ON  "JEDINICA_MJERE" ("ID_JEDINICE_MJERE")
/
CREATE UNIQUE INDEX  "POSLOVNI_PARTNER_PK" ON  "POSLOVNI_PARTNER" ("ID_POSLOVNOG_PARTNERA")
/
CREATE UNIQUE INDEX  "RACUN_PK" ON  "RACUN" ("ID_RACUNA")
/
CREATE UNIQUE INDEX  "STAVKA_RACUNA_IVUK_PK" ON  "STAVKA_RACUNA_IVUK" ("ID_RACUNA", "ID_ARTIKLA")
/
CREATE UNIQUE INDEX  "ZAPOSLENIK_PK" ON  "ZAPOSLENIK" ("ID_ZAPOSLENIK")
/