(Choose 1 answer)
Suppose a registration website creates data with the following fields for each person registered (note: if the user does not input a value, NULL is stored instead): Name, Date, Address, and Account Number.which we have placed on the Account Number field for the end of year collection?
A. Account should have at most n digits.
B. If we had n duplicate Account Numbers then we will remove n-1 duplicate fields.
C. There are no constraints.
D. Account Number should be unique.
shithe
Stam
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