0
Q
4 types of validation rule
A
Check digit
Range check
Presence check
Type check
1
Q
Define validation
A
An automatic check to ensure that data is sensible and reasonable
2
Q
Define verification
A
A check ensuring that data has been copied correctly from one medium to another
3
Q
Banking example for validation
A
Range check; on the date of birth, amount of money
Presence check; card expiry date
4
Q
Shopping example for validation
A
Check digit; on credit card number
Presence check; card expiry date
