Oracle
1Z0-071 · Question #62
Examine the command: What does ON DELETE CASCADE Imply?
The correct answer is C. When a row in the books table is deleted, the rows in the BOOK__TRANSACTIONS table whose. See the full explanation below for the reasoning.
Question
Examine the command:
What does ON DELETE CASCADE Imply?
Exhibit
Options
- AWhen the books table is dropped, the BOOK_TRANSACTIONS table is dropped.
- BWhen the books table is dropped, all the rows in the BOOK_TRANSACTIONS table are deleted
- CWhen a row in the books table is deleted, the rows in the BOOK__TRANSACTIONS table whose
- DWhen a value in the BOOKS.BOOK_ID column is deleted, the corresponding value is updated in
How the community answered
(26 responses)- A4% (1)
- B4% (1)
- C85% (22)
- D8% (2)
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