Multiple choice technology databases

What is true about sequences?

  1. The start value of the sequence is always 1.

  2. The sequence always increments by 1.

  3. The minimum value of an ascending sequence defaults to 1.

  4. The maximum value of descending sequence defaults to 1.
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C Correct answer
Explanation

In database sequences (such as Oracle), the default minimum value for an ascending sequence is 1. The start value and increment can be customized, and descending sequences default to a different maximum value.

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