DBA-

create table barang(
 KODE_BARANG char(6),
 NAMA_BARANG varchar2(25),
 SATUAN_BARANG varchar2(20),
 STOK_BARANG number(4),
 constraint pk_barang primary key(KODE_BARANG)
);

create table supplier(
 KODE_SUPPLIER char(5),
 NAMA_SUPPLIER varchar2(30),
 ALAMAT_SUPPLIER varchar2(30),
 KOTA_SUPPLIER varchar2(15),
 TELEPON_SUPPLIER varchar2(4),
 constraint pk_supplier primary key(KODE_SUPPLIER)
);


insert all
into supplier values('EJ-01','PT.ACTRON','JL.THAMRIN 12 ','JAKARTA ',' ')
into supplier values('EJ-02','PT.MULYA ELEKTRONIK',' JL.SUDIRMAN45','JAKARTA ',' ')
into supplier values('EB-01','PT.ACTRON',' JL.THAMRIN 12',' JAKARTA',' ')
into supplier values('EB-02','PT.SUPERTRON','JL. INDUSTRI 37 ','BANDUNG ',' ')

select * from dual;

======================================================================


create table customer(
 KODE_CUSTOMER char(6),
 NAMA_CUSTOMER varchar2(30),
 ALAMAT_CUSTOMER varchar2(30),
 KOTA_CUSTOMER varchar2(15),
 TELEPON_CUSTOMER varchar2(4),
 constraint pk_customer primary key(KODE_CUSTOMER)
);


create table pasokk(
  KODE_PASOK char(10),
  KODE_BARANG char(6),
  KODE_SUPPLIER char(5),
  TANGGAL_PASOK date,
  JUMLAH_PASOK number(4),
   constraint pk_customerr primary key(KODE_PASOK,
             KODE_BARANG, KODE_SUPPLIER),
   constraint fk_pasokk_barang foreign key(KODE_BARANG)
             references barang (KODE_BARANG),
   constraint fk_pasokk_supplier foreign key(KODE_SUPPLIER)
             references supplier (KODE_SUPPLIER)

);

create table pembelian(
  KODE_PEMBELIAN char(10),
  KODE_BARANG char(6),
  KODE_CUSTOMER char(6),
  TANGGAL_PEMBELIAN date,
  JUMLAH_PEMBELIAN number(4),
   constraint pk_pembelian primary key(KODE_PEMBELIAN,
             KODE_BARANG, KODE_CUSTOMER),
   constraint fk_pembelian_barang foreign key(KODE_BARANG)
             references barang (KODE_BARANG),
   constraint fk_pembelian_customer foreign key(KODE_CUSTOMER)
             references customer(KODE_CUSTOMER)

);







isi suplier



insert all
into supplier values('EJ-01','PT.ACTRON','JL.THAMRIN 12 ','JAKARTA ',' ')
into supplier values('EJ-02','PT.MULYA ELEKTRONIK',' JL.SUDIRMAN45','JAKARTA ',' ')
into supplier values('EB-01','PT.ACTRON',' JL.THAMRIN 12',' JAKARTA',' ')
into supplier values('EB-02','PT.SUPERTRON','JL. INDUSTRI 37 ','BANDUNG ',' ')

select * from dual;