2.3 Input Validation

Front

Which of these IS NOT an example of validation?

• Checking the number entered is 2 digits
• Asking a user to type in a number
• Use of a Lookup table
• Use of a presence check

Back

Asking a user to type in a number

Front

What does a range check do?

Back

Checks the data is within an acceptable range

Front

What does a type check do?

Back

The data is the correct data type

Front

What does a presence check do?

Back

Checks data has been entered

Front

What does a format check do?

Back

Checks data is entered in the correct format

Front

What does a length check do?

Back

Checks that data has the correct number of characters

Front

What is data validation?

Back

Checking that the data entered is sensible or reasonable