QUESTION 2 Examining the Book table, which of the following statements is considered true: Book BOOK CODE BI BOOK PRICE 67.00 PUB ID CE BOOK TITLE Principles of Information Security Database Principles Human Resources Management B2 B3 80.00 97.00 CE TH Publisher PUB ID OB PUB ENAME Obaikan PUB COUNTARY Saudi Arabia US MG McGraw Hill CE Cengage US The table does not achieve referential integrity The table achieves referential integrity due to an invalid FK values The table achieves referential integrity due to valid FK values The table achieves referential integrity due to unique PK values