Multiple choice technology databases

Indicate whether this statement is true or false. The domain of a column containing the month number of the date of birth of employees differs from the domain of a column with the day number of that date.

  1. True

  2. False

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A Correct answer
Explanation

The domain of a column defines its set of all permissible values. A column for birth month allows integers from 1 to 12, whereas a column for birth day allows integers from 1 to 31. Because these sets and their semantic rules differ, their domains are distinct.