Oracle
1Z0-007 · Question #102
1Z0-007 Question #102: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-007 to reveal the answer and full explanation for question #102. The question stem and answer options stay visible for context.
Question
Which two statements are true about constraints? (Choose two.)
Options
- AThe UNIQUE constraint does not permit a null value for the column.
- BA UNIQUE index gets created for columns with PRIMARY KEY and UNIQUE constraints.
- CThe PRIMARY KEY and FOREIGN KEY constraints create a UNIQUE index.
- DThe NOT NULL constraint ensures that null values are not permitted for the column.
Unlock 1Z0-007 to see the answer
You've previewed enough free 1Z0-007 questions. Unlock 1Z0-007 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.