text: CREATE TABLE Passports 
  (
  	PassportID INT PRIMARY KEY,
  	PassportNumber NVARCHAR(32) UNIQUE NOT NULL
  )
  
  CREATE TABLE Persons
  (
  	PersonID INT PRIMARY KEY IDENTITY,
  	FirstName NVARCHAR(32) NOT NULL,
  	Salary DECIMAL(15,2) NOT NULL,
  	PassportID INT UNIQUE NOT NULL,
  
  	CONSTRAINT FK_Persons_PassportID
  	FOREIGN KEY(PassportID)
  	REFERENCES Passports(PassportID)
  )
  
  INSERT INTO Passports(PassportID, PassportNumber)
  VALUES      (101, 'N34FG21B'),
              (102, 'K65LO4R7'),
  	    (103, 'ZE657QP2')
  
  INSERT INTO Persons(FirstName, Salary, PassportID)
  VALUES      ('Roberto', 43300.00, 102),
              ('Tom', 56100.00, 103),
              ('Yana', 60200.00, 101)
  