Oracle
1Z0-047 · Question #176
1Z0-047 Question #176: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding views? (Choose two.)
Options
- AA simple view in which column aliases have been used cannot be updated.
- BA subquery used in a complex view definition cannot contain group functions or joins.
- CRows cannot be deleted through a view if the view definition contains the DISTINCT keyword.
- DRows added through a view are deleted from the table automatically when the view is dropped.
- EThe OR REPLACE option is used to change the definition of an existing view without dropping
- FThe WITH CHECK OPTION constraint can be used in a view definition to restrict the columns
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