n
Choose the correct option
cardholderphoneno
Choose.
cardholdername
validitydate
Choose...
unique
check
primary key
not null
Choose
creditcardno
creditcardtype should be silver or platinum only
Choose
on
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Answer:
creditcardtype should be silver or platinum only: check
cardholdername: not null
cardholderphoneno: unique
creditcard no.: primary key
validity date: not null
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