CREATE TABLE articulos(
    codartic integer PRIMARY KEY,
    descripcion Text,
    pvp real not null
);
CREATE TABLE pedidos(
    numpedido integer PRIMARY KEY,
    codcliente integer,
    codartic integer,
        unidades integer,
        fechaped date not null
);
CREATE TABLE zonas(
    zona integer PRIMARY KEY,
    descripcion Text not null 
    );
CREATE TABLE clientes(
    codcliente integer PRIMARY KEY,
    nombrecli Text,
        direccion Text,
        codigo_postal Text,
        poblacion Text,
        telefono Text,
        descuento real,
        zona_ventas integer not null
);
insert into clientes values(1,'joaquin', 'col.centro',91130,'xalapa',2293083242,0.10,3);
insert into clientes values(2,'nacho','col.sumidero',92302,'xalapa',2283987390,0.10,5);

insert into Articulos values(100,'pizza',120.00);
insert into Articulos values(71,'alitas',100.00);

insert into pedidos values(1,1,100,1,'15/10/23');
insert into pedidos values(2,2,71,2,'13/9/23');

insert into zonas values(5,'norte');
insert into zonas values (4,'sur');

select nombrecli
from clientes
where codigo_postal=91130;

select descripcion
from articulos
where pvp>100;

select fechaped
from pedidos
where unidades <=3;

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