create table Client
(IdClient CHAR(10) PRIMARY KEY,
 Name VARCHAR(25) NOT NULL,
 Address VARCHAR(60) NOT NULL,
 NumCC CHAR(16) NOT NULL);
 
create table Orders
(IdOrder CHAR(10) PRIMARY KEY,
 IdClient CHAR(10) NOT NULL REFERENCES Client on delete cascade,
 DateOrder DATE,
 DateExped DATE);

create table Author
( idAuthor NUMBER PRIMARY KEY,
  Name VARCHAR(25));

create table Book
(ISBN CHAR(15) PRIMARY KEY,
Title VARCHAR(60) NOT NULL,
Author CHAR(4) NOT NULL,
PurchasePrice NUMBER(6,2) DEFAULT 0,
SalePrice NUMBER(6,2) DEFAULT 0);

create table Author_Book
(ISBN CHAR(15),
Author NUMBER,
CONSTRAINT al_PK PRIMARY KEY (ISBN, Author),
CONSTRAINT BookA_FK FOREIGN KEY (ISBN) REFERENCES `Book`(ISBN) on delete cascade,
CONSTRAINT Author_FK FOREIGN KEY (Author) REFERENCES `Author`(idAuthorA));


create table Books_Order(
ISBN CHAR(15),
IdOrder CHAR(10),
amount NUMBER(3) CHECK (amount >0),
CONSTRAINT lp_PK PRIMARY KEY (ISBN, idOrder),
CONSTRAINT Book_FK FOREIGN KEY (ISBN) REFERENCES `Book`(ISBN) on delete cascade,
CONSTRAINT pedido_FK FOREIGN KEY (IdOrder) REFERENCES `Orders`(IdOrder) on delete cascade);

insert into Client values ('0000001','James Smith', 'Picadilly 2','1234567890123456');
insert into Client values ('0000002','Laura Jones', 'Holland Park 13', '1234567756953456');
insert into Client values ('0000003','Peter Doe', 'High Street 42', '1237596390123456');
insert into Client values ('0000004','Rose Johnson', 'Notting Hill 46', '4896357890123456');
insert into Client values ('0000005','Joseph Clinton', 'Leicester Square 1', '1224569890123456');
insert into Client values ('0000006','Betty Fraser', 'Whitehall 32', '2444889890123456' );


insert into Orders values ('0000001P','0000001', DATE('01/12/2011'),DATE('03/12/2011'));
insert into Orders values ('0000002P','0000001', DATE('01/12/2011'),null);
insert into Orders values ('0000003P','0000002', DATE('02/12/2011'),DATE('03/12/2011'));
insert into Orders values ('0000004P','0000004', DATE('02/12/2011'),DATE('05/12/2011'));
insert into Orders values ('0000005P','0000005', DATE('03/12/2011'),DATE('03/12/2011'));
insert into Orders values ('0000006P','0000003', DATE('04/12/2011'),null);

insert into Author values (1,'Jane Austin');
insert into Author values (2,'George Orwell');
insert into Author values (3,'J.R.R Tolkien');
insert into Author values (4,'Antoine de Saint-Exupy');
insert into Author values (5,'Bram Stoker');
insert into Author values (6,'Plato');
insert into Author values (7,'Vladimir Nabokov');

insert into Book values ('8233771378567', 'Pride and Prejudice', '2008', 9.45, 13.45);
insert into Book values ('1235271378662', '1984', '2009', 12.50, 19.25);
insert into Book values ('4554672899910', 'The Hobbit', '2002', 19.00, 33.15);
insert into Book values ('5463467723747', 'The Little Prince', '2000', 49.00, 73.45);
insert into Book values ('0853477468299', 'Dracula', '2011', 9.45, 13.45);
insert into Book values ('1243415243666', 'The Republic', '1997', 10.45, 15.75);
insert into Book values ('0482174555366', 'Lolita', '1998', 4.00, 9.45);


insert into Author_Book values ('8233771378567',1);
insert into Author_Book values ('1235271378662',2);
insert into Author_Book values ('4554672899910',3);
insert into Author_Book values ('5463467723747',4);
insert into Author_Book values ('0853477468299',5);
insert into Author_Book values ('1243415243666',6);
insert into Author_Book values ('0482174555366',7);

insert into Books_Order values ('8233771378567','0000001P', 1);
insert into Books_Order values ('5463467723747','0000001P', 2);
insert into Books_Order values ('0482174555366','0000002P', 1);
insert into Books_Order values ('4554672899910','0000003P', 1);
insert into Books_Order values ('8233771378567','0000003P', 1);
insert into Books_Order values ('1243415243666','0000003P', 1);
insert into Books_Order values ('8233771378567','0000004P', 1);
insert into Books_Order values ('4554672899910','0000005P', 1);
insert into Books_Order values ('1243415243666','0000005P', 1);
insert into Books_Order values ('5463467723747','0000005P', 3);
insert into Books_Order values ('8233771378567','0000006P', 5);