Topic: Oracle Certified Professional Exams (OCP & OCA) >> Top N analysis requires _____ and _____. (Choose two.)
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| Title: Top N analysis requires _____ and _____. (Choose two.) |
| naidu |
Posted: Dec 27, 2006 10:15:47 AM |
Total Post: 85
Joined: Nov, 2006
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Top N analysis requires _____ and _____. (Choose two.)
A. the use of rowid
B. a GROUP BY clause
C. an ORDER BY clause
D. only an inline view
E. an inline view and an outer query
Answer:
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 Jayanta |
| Posted: Dec 27, 2006 11:08:05 AM |  |
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Total Post: 479
Joined: Feb, 2006
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| gill123 |
| Posted: Jun 20, 2007 12:48:33 AM | |
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Total Post: 12
Joined: Jun, 2007
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Just wondering...don't we need "ORDER BY" to do Top N analysis....and also shouldn't we use ROWNUM instead of ROWID???
So I think the answer C, E is right.
Can you please confirm.
Thanks.
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| Jayanta |
| Posted: Jun 21, 2007 01:51:02 PM | |
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Total Post: 479
Joined: Feb, 2006
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hello gill,
hope u have read the question carefully, and saw that it asks one, to choose only two correct options.
cheers!
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