Re: problem with uniques and foreing keys

Sorry i had a mistake in the post it was with the definition of the primary
key in the empresa table...

I'm having the same error when i build the last table...

thanks for your answers...

Hi list...
>
> Please i have a problem with this...
>
> I create the follow tables...
>
> --------------------------------------------------------
>
> CREATE TABLE empresa (
> id_empresa integer NOT NULL primary key,
> nombre varchar(45),
>

primary key(id_empresa)

);
> CREATE TABLE casino (
> id_casino integer NOT NULL,
> id_empresa integer REFERENCES empresa(id_empresa),
>
> nombre varchar(45),
>
> primary key(id_casino,id_empresa)
> );
> CREATE TABLE maq_casino (
> id_empresa integer NOT NULL REFERENCES casino(id_empresa),
> id_casino integer NOT NULL REFERENCES casino(id_casino),
>
> ubicacion_sala varchar(45) default NULL,
> primary key(id_empresa,id_casino,id_tipo_maquina,id_maq_casino)
> );
>
> --------------------------------------------------------
>
> When i'm gonna to create the last table i got this error:
>

ERROR: no hay restriccion unique que coincida con las columnas dadas en la
> tabla referida <<casino>>
>
> That in english is like .. there is no a unique constraint with columns
> referred in casino table.
>
>
> Please where is the problem...
>
> Greetings ...
>
> Krackem
>
>
>