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Exam 1z0-071 topic 1 question 137 discussion

Actual exam question from Oracle's 1z0-071
Question #: 137
Topic #: 1
[All 1z0-071 Questions]

Which statement is true about aggregate functions?

  • A. Aggregate functions can be nested to any number of levels.
  • B. The AVG function implicitly converts NULLS to zero.
  • C. The MAX and MIN functions can be used on columns with character data types.
  • D. Aggregate functions can be used in any clause of a SELECT statement.
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Suggested Answer: C 🗳️
by kesammy9 at Feb. 23, 2023, 8:47 p.m.

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archit4321
8 months ago
Selected Answer: C
A. Aggregate functions can be nested to any number of levels. -> Can be nested upto one level only. B. The AVG function implicitly converts NULLS to zero. -> AVG function ignores NULLS. C. The MAX and MIN functions can be used on columns with character data types. -> True D. Aggregate functions can be used in any clause of a SELECT statement. -> It can't be used with where clause.
upvoted 3 times
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kesammy9
1 year, 10 months ago
Selected Answer: C
tested on a sample data
upvoted 3 times
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