The Well Formed Index (WFI) is a Kalmar Software Development proprietary index that ranks a Microsoft Access Database (MAD) in terms of how well it has been constructed. It is an objectively determined, quantative value of the design and construction of the application. The index values range from 1 to 5. A high value means the MAD is well designed and constructed. A low value means the MAD is not well designed and constructed.
The WFI is not dependant on the size or complexity of the application. You could have a simple or complex MAD that is poorly formed or well formed.
What are some of factors used to determine an application's WFI?
The WFI is one of two components of the MAD Index. The other is the Database Complexity Index (DCI). The DCI is a measure that indicates the complexity of a MAD. Together they form the MAD Index. This tells you how easy is it to work with the database.
MAD Index = (6-WFI) * DCI
An application that has a low MAD Index means it is well formed and not very complex.
An application that has a high MAD Index value is poorly formed and complex.