use [Sergeichev]

create table Contracts
(
	Code_Contract int primary key identity(1,1) not null,
	Code_Customer int foreign key references Customers(Code_Customer) not null,
	Code_Employee int foreign key references Employees(Code_Employee) not null,
	Code_Car int foreign key references Cars(Code_Car) not null,
	Amount_Contract int not null,
	Date_Contract date not null
)