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Exam 1z0-071 topic 1 question 93 discussion

Actual exam question from Oracle's 1z0-071
Question #: 93
Topic #: 1
[All 1z0-071 Questions]

Examine this statement:



Identify three ORDER BY clauses, any one of which will complete the query successfully. (Choose three.)

  • A. ORDER BY CUST_NO
  • B. ORDER BY 2, cust_id
  • C. ORDER BY 2, 1
  • D. ORDER BY "Last Name"
  • E. ORDER BY "CUST_NO"
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Suggested Answer: BCD 🗳️
by super04 at Aug. 12, 2023, 11:30 a.m.

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826cb95
3 days, 22 hours ago
Selected Answer: BCD
A & E doesn't work because he ORDER BY clause needs to refer to something that exists in both parts of the union (either a column position or an alias that applies to both parts).
upvoted 1 times
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lucemqy
5 months, 2 weeks ago
Selected Answer: BCD
You can only order by column names from the first select query
upvoted 2 times
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super04
8 months, 3 weeks ago
Correct answer is BCD. The ORDER BY clause does not recognize the column names of the second SELECT query. So,
upvoted 1 times
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