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Exam 1z0-071 topic 1 question 43 discussion

Actual exam question from Oracle's 1z0-071
Question #: 43
Topic #: 1
[All 1z0-071 Questions]

Which three statements are true about views in an Oracle Database? (Choose three.)

  • A. A SELECT statement cannot contain a WHERE clause when querying a view containing a WHERE clause in its defining query.
  • B. Views have no segment.
  • C. Views have no object number.
  • D. Views can join tables only if they belong to the same schema.
  • E. A view can be created that refers to a non-existent table in its defining query.
  • F. Rows inserted into a table using a view are retained in the table if the view is dropped.
Show Suggested Answer Hide Answer
Suggested Answer: BEF 🗳️
by TheOracleWasTaken at Aug. 1, 2023, 11:56 p.m.

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ShahedOdeh
4 months ago
the correct answer is B and e and F
upvoted 1 times
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cadcadley
1 year, 2 months ago
what that is mean no segment about view
upvoted 1 times
ArslanAltaf
7 months, 1 week ago
segment mean physical storage ...
upvoted 1 times
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KizTine
1 year, 3 months ago
I don't understand the answer E. How can views refers to non-existent table ?
upvoted 4 times
lucemqy
1 year, 2 months ago
You can create view to non-existent table or table with invalid columns by using FORCE option in the CREATE VIEW command. When you query the data from the view you will get an error
upvoted 4 times
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TheOracleWasTaken
1 year, 5 months ago
Selected Answer: BEF
select object_id, object_name from user_objects In this table you will also find views so they do have an object number. Views have no segment since they don't take up physical space
upvoted 4 times
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