ORA-02256: number of referencing columns must match referenced columns

Question

Hi,
I have the following script;:
But when I execute the script, TOAD gives me in line "create table recipiente", (I have put in bold the line), the following error: ORA-02256: number of referencing columns must match referenced columns. But I don´t know where is the error.
create table bodega
( nombrebodega varchar2(50) primary key,
localidad varchar2(50),
nombredueño varchar2(50),
telefono varchar2(50),
museo char(1),
logo blob
create table vino
( tipovino varchar2(50),
categoriavino varchar2(50),
anovendimia number(4),
nombrebodega varchar2(50),
denominacionorigen varchar2(50),
precio_lproduc number(5),
litrosproduc number(10),
precio_lpublico number(5),
primary key (tipovino,categoriavino,anovendimia,nombrebodega),
foreign key (nombrebodega) references bodega on delete cascade
create table recipiente <-- Here gives me the error
( idrecipiente number(2) primary key,
capacidad number(10),
clase varchar2(50),
tipovino varchar2(50) not null,
categoriavino varchar2(50) not null,
anovendimia number(4) not null,
nombrebodega varchar2(50) not null,
foreign key (tipovino) references vino on delete cascade,
foreign key (categoriavino) references vino on delete cascade,
foreign key (anovendimia) references vino on delete cascade,
foreign key (nombrebodega) references vino on delete cascade
Anybody could help me?
Thanks. Regards

Answer 1

check:
SQL> create table bodega
  2  ( nombrebodega varchar2(50) primary key,
  3  localidad varchar2(50),
  4  nombredueo varchar2(50),
  5  telefono varchar2(50),
  6  museo char(1),
  7  logo blob
  8  );
Table created.
SQL> create table vino
  2  ( tipovino varchar2(50),
  3  categoriavino varchar2(50),
  4  anovendimia number(4),
  5  nombrebodega varchar2(50),
  6  denominacionorigen varchar2(50),
  7  precio_lproduc number(5),
  8  litrosproduc number(10),
  9  precio_lpublico number(5),
10  primary key (tipovino,categoriavino,anovendimia,nombrebodega),
11  foreign key (nombrebodega) references bodega on delete cascade
12  );
Table created.
SQL> create table recipiente
  2  ( idrecipiente number(2) primary key,
  3  capacidad number(10),
  4  clase varchar2(50),
  5  tipovino varchar2(50) not null,
  6  categoriavino varchar2(50) not null,
  7  anovendimia number(4) not null,
  8  nombrebodega varchar2(50) not null,
  9  foreign key (tipovino) references vino(tipovino) on delete cascade,
10  foreign key (categoriavino) references vino(categoriavino) on delete cascad
e,
11  foreign key (anovendimia) references vino(anovendimia) on delete cascade,
12  foreign key (nombrebodega) references vino(nombrebodega) on delete cascade
13  );
foreign key (tipovino) references vino(tipovino) on delete cascade,
ERROR at line 9:
ORA-02270: no matching unique or primary key for this column-list
SQL> alter table vino add constraint vino_uk unique (tipovino);
Table altered.
SQL> alter table vino add constraint categoriavino_uk unique (categoriavino);
Table altered.
SQL> alter table vino add constraint anovendimia_uk unique (anovendimia);
Table altered.
SQL> alter table vino add constraint nombrebodega_uk unique (nombrebodega);
Table altered.
SQL> create table recipiente
  2  ( idrecipiente number(2) primary key,
  3  capacidad number(10),
  4  clase varchar2(50),
  5  tipovino varchar2(50) not null,
  6  categoriavino varchar2(50) not null,
  7  anovendimia number(4) not null,
  8  nombrebodega varchar2(50) not null,
  9  foreign key (tipovino) references vino(tipovino) on delete cascade,
10  foreign key (categoriavino) references vino(categoriavino) on delete cascad
e,
11  foreign key (anovendimia) references vino(anovendimia) on delete cascade,
12  foreign key (nombrebodega) references vino(nombrebodega) on delete cascade
13  );
Table created.Amiel