Database system

i send you a file . i have already finish supplier , depot and product sql codes . pls make it unique Create Table Supplier (Supplier_id Varchar(8) not null, Name Varchar(15) not null, Address Varchar (30) not null, Email Varchar(30), Constraint SSM10 Primary Key (Supplier_id)) ; Insert into Supplier values ('P101', 'James Hetfield', 'London', ''); Insert into Supplier values ('P102', 'Ian M', 'London', ''); Insert into Supplier values ('P103', 'Zeenat B', 'Cambridge', ''); Insert into Supplier (Supplier_id, Name, Address) values ('P104', 'Syed M', 'Cambridge'); Insert into Supplier (Supplier_id, Name, Address) values ('P105', 'Pawel C', 'Glasgow'); Insert into Supplier (Supplier_id, Name, Address) values ('P106', 'Ammar Z', 'London'); Insert into Supplier values ('P107', 'Joshua N', 'Glasgow', ''); Insert into Supplier values ('P108', 'Mike B', 'Cardiff', ''); Insert into Supplier values ('P109', 'Shumi S', 'Oxford', ''); Create Table Depot (Depot_Id Varchar(6) not null, Location Varchar (20) not null, Address Varchar(60), Constraint DESM10 Primary Key (Depot_Id)); Insert into Depot values ('DEP001','North London', 'Southgate-N12 2YN'); Insert into Depot values ('DEP002','South London', 'Croydon-S11 7NN'); Insert into Depot values ('DEP003','West London', 'Hyde Park Corner-W01 8YY'); Insert into Depot values ('DEP004','East London', 'Docklands-E12 2BT'); Insert into Depot values ('DEP005','Cambridge', 'C17 2BB'); Insert into Depot values ('DEP006','Glasgow', 'Glasgow-G08 77T'); Insert into Depot values ('DEP007','Chester', 'CH1 56U'); Insert into Depot values ('DEP008','Kingston upon Hull', 'Kingston upon Hull12-KI9 R55'); Create Table Product (Product_Id Varchar(6) not null, Description Varchar(30), Price Number(6,2) not null, Supplier_id Varchar(4) not null, Constraint PSM10 Primary Key (Product_Id), Constraint PMS20 Foreign Key (Supplier_id) references Supplier (Supplier_id)); Insert into Product values ('AB2101', 'PC-Z120', 500.00, 'P101'); Insert into Product values ('AB2102','PC-P500', 900.00, 'P101'); Insert into Product values ('AB2103', 'PC-T1', 1500.00, 'P101'); Insert into Product values ('AB2104', 'Laptop-P051', 800.00, 'P102'); Insert into Product values ('AB2105', 'Laptop-E6500', 1200.00, 'P102'); Insert into Product values ('AB2106', 'Ultrabook-U100', 1000.00, 'P103'); Insert into Product values ('AB2107', 'Ultrabook-U200', 1100.00, 'P103'); Insert into Product values ('AB2108', 'Tablet-ER10', 400.00, 'P104'); Insert into Product values ('AB2109', 'Tablet-ER11', 499.00, 'P104'); Insert into Product (Product_Id, Price, Supplier_id) values ('AB2110', 300.00, 'P105'); Insert into Product (Product_Id, Price, Supplier_id) values ('AB2111', 200.00, 'P106');