Validation Flashcards
1
Q
What happens if data isn’t validated?
A
if inputted data doesn’t follow the rules it is rejected
this reduces the risk that incorrectly entered data might crash a program
2
Q
range check
A
the data must fall within a specified range
can apply to numbers and characters
3
Q
length check
A
the input must not be too long or too short
4
Q
presence check
A
a data value must be entered
5
Q
format check
A
the data must be in the correct format, such as entering a date in the format DD/MM/YYYY
6
Q
type check
A
the data must be of a specific data type, such as an integer
7
Q
What does validation not do?
A
ensure that data entered is correct
8
Q
verification checks
A
repeat the entered data to the user and ask them to confirm if it is correct
this helps reduce errors from incorrect data
