2) The airline has a database of customer names and addresses.
a) identify the most appropriate data type for the following fields:
House number: String
Price of tickets: Currency
Telephone number: String
b) Data entered into the database needs to be verified.
I)What is the purpose of verification?
Verification aims to make sense of data and must be complete and within acceptable boundaries.
Ii)Describe how proof reading works as a method of verification.
It makes sure that it is complete and makes sense, but it can also allow human error as if the same thing is overlooked on the second reading proof reading wouldn't be
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