Multiple choice technology

Which of the following is not a character function?

  1. trunc

  2. concat

  3. ltrim

  4. substr
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A Correct answer
Explanation

TRUNC is a numeric function that truncates numbers to a specified decimal place, not a character function. CONCAT concatenates strings, LTRIM removes leading spaces, and SUBSTR extracts a substring - all three are character functions. TRUNC works only with numeric values.

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