Question: Review the `CREATE TABLE` statement below. Which option, when placed in the blank space, ensures that the BookISBN column will not contain any duplicate values?
- `NO DUPLICATES`
- `UNIQUE CONSTRAINT AK_Books_BookISBN`
- D`UPLICATE CONSTRAINT (AK_Books_BookISBN)`
- `CONSTRAINT AK_Books_BookISBN UNIQUE`
Answer: The correct answer of the above question is Option D:`CONSTRAINT AK_Books_BookISBN UNIQUE`