Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
Write a stored function called zip_exist that takes in a zipcode.zip%Type parameter and returns a Boolean. The function will return TRUE if the...
Write a stored function called zip_exist that takes in a zipcode.zip%Type parameter and returns a Boolean. The function will return TRUE if the zipcode passed into it exists. It will return a FALSE if the zipcode does not exists.
