Multiple choice technology databases

What is correct regarding output of SIGN function?

  1. >0 for positive value

  2. 0 for positive value

  3. 0 for negative value

  4. 1 for positive value
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The SIGN function returns: 1 for positive numbers, 0 for zero, and -1 for negative numbers. Option D correctly states it returns 1 for positive values. Options A and C are wrong because positive values return 1, not >0 or 0.

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