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Exam 1z0-071 topic 1 question 249 discussion

Actual exam question from Oracle's 1z0-071
Question #: 249
Topic #: 1
[All 1z0-071 Questions]

Examine the description of the CUSTOMERS table:



CUSTNO is the PRIMARY KEY.

You must determine if any customers’ details have been entered more than once using a different CUSTNO, by listing all duplicate names.

Which two methods can you use to get the required result? (Choose two.)

  • A. self join
  • B. RIGHT OUTER JOIN with self join
  • C. LEFT OUTER JOIN with self join
  • D. FULL OUTER JOIN with self join
  • E. subquery
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Suggested Answer: AE 🗳️
by billysunday1 at March 30, 2024, 9:59 a.m.

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billysunday1
3 months, 2 weeks ago
Selected Answer: AE
Answer A,E
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