create table Persons
(
    PersonID int not null identity,
    FirstName varchar(50) not null,
    Salary decimal(18,2) not null,
    PassportID int not null
)

insert into Persons (FirstName, Salary, PassportID)
values ('Roberto', 43300.00,102), ('Tom', 56100.00, 103), ('Yana', 60200.00, 101)

alter table Persons
add primary key(PersonID)

create table Passports
(
    PassportID int not null,
    PassportNumber varchar(50) not null
)

insert into Passports (PassportID, PassportNumber)
values (101, 'N34FG21B'), (102, 'K65LO4R7'), (103, 'ZE657QP2')

alter table Passports
add primary key(PassportID)


alter table Persons
add foreign key(PassportID)
references Passports(PassportID)