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Oracle

1Z0-909 · Question #39

Examine this statement and output: Now, examine these desired output values: Which statement updates the table data as require

The correct answer is E. UPDATE exam_result SET score=ROUND(score,1). ROUND(score, 1) performs standard mathematical rounding to one decimal place (e.g., 3.76 → 3.8), which matches the desired output values shown in the question. Why the distractors fail: A - TRUNCATE is written without arguments, making it syntactically invalid. B - Uses the…

SQL Fundamentals

Question

Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

Exhibit

1Z0-909 question #39 exhibit

Options

  • AUPDATE exam_result SET score=TRUNCATE
  • BUPDATE examresult SET score=ROUND(CEIL(score
  • CUPDATE exam_result SET score=CEIL(TRUNCATE(sco
  • DUPDATE exam_result SET score=CEIL(ROUND(score,1));
  • EUPDATE exam_result SET score=ROUND(score,1);
  • FUPDATE exam_result SET score=TRUNCATE(score,1);

How the community answered

(35 responses)
  • A
    3% (1)
  • C
    11% (4)
  • D
    3% (1)
  • E
    83% (29)

Explanation

ROUND(score, 1) performs standard mathematical rounding to one decimal place (e.g., 3.76 → 3.8), which matches the desired output values shown in the question.

Why the distractors fail:

  • A - TRUNCATE is written without arguments, making it syntactically invalid.
  • B - Uses the wrong table name (examresult instead of exam_result) and has incomplete/unclosed syntax.
  • C - Incomplete syntax (sco is truncated), and nesting CEIL around TRUNCATE would produce incorrect integer-biased results.
  • D - CEIL(ROUND(score,1)) first rounds to one decimal, then CEIL forces it up to the nearest whole integer, destroying decimal precision entirely.
  • F - TRUNCATE(score, 1) simply chops off digits after the first decimal without rounding (e.g., 3.76 → 3.7, not 3.8), producing values that differ from the expected output.

Memory tip: Think of ROUND as a fair judge (goes up or down based on the next digit) and TRUNCATE as a harsh cutter (always drops what follows). When exam output shows values like 3.8 from 3.76, "fair rounding" is required - reach for ROUND.

Topics

#UPDATE statements#ROUND function#numeric functions#data modification

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