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Exam 1z0-071 topic 1 question 241 discussion

Actual exam question from Oracle's 1z0-071
Question #: 241
Topic #: 1
[All 1z0-071 Questions]

Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)

  • A. Duplicates are eliminated automatically by the UNION ALL operator.
  • B. The output is sorted by the UNION ALL operator.
  • C. The names of columns selected in each SELECT statement must be identical.
  • D. NULLs are not ignored during duplicate checking.
  • E. The number of columns selected in each SELECT statement must be identical.
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Suggested Answer: DE 🗳️
by kay000001 at Oct. 22, 2024, 11:28 a.m.

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kay000001
2 months, 3 weeks ago
Selected Answer: DE
D & E, are correct.
upvoted 1 times
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