Developing an Information System
Design - File Design


How many files are needed and what will their structure be? A nursery membership file might have the following structure:

Field Type Length Example
Membership No. Numeric 6 352600
Surname Text 20 McSweeney
First Name Text 15 Jane
Address line 1 Text 25 3 Longlane
Address line 2 Text 25 London
Post Code Alpha numeric 10 N1 1TH
Telephone No. Alpha numeric 10 0181-366-1234
Fees Paid Text 1 Y
Fee Date Date 8 22/04/97