Verification And Validation Flashcards
Validation banking example
Range check on amount allowed to be transferred in an online funds transfer
Presence check on a certain field e.g sort code
What is validation
It is an automatic check to ensure that data is sensible and reasonable
Shopping example of validation
Check digit check on credit card number
Presence or range check on card expiry date
School example of validation
Range check on date of birth to ensure the student is in the correct year group
Verification definition
Is a check ensuring that data has been copied correctly from one medium to another
Banking example of verification
Double entry - having to re-input your account number, email address or the password when creating an online account
Online shopping example for verification
Having to read and check your order details before clicking the pay now button - it is a visual check
4 types of validation rule
Check digit
Range check
Presence check
Type check
What is a check digit designed to prevent
Last digit on an account number to ensure it is valid
What is a Range check designed to prevent
On the amount of money that can be transferred in banking or the number of days that can be made in an online holiday banking
What is a presence check designed to prevent
On the required fields to reject data where fields have been left blank eg credit card expiry date
What is a type check designed to prevent
To check if data is of a particular type eg not words when a number is expected eg filling in your age