Previous Topic: Using Extended by Relations in Assimilated Files

Next Topic: Assimilation Procedure

Example of Using Extended by Relations

You have assimilated your Customer master file and do not want to change it, but you want to add some credit history data for those customers who finance their purchases.

In your data model, add the new relations as shown below:

Customer

Customer Credit History

Customer Credit History

Customer Credit History

Customer Credit History

Extended by

Owned by

Has

Has

Has

Customer Credit History

Customer Master

Avg Payment Days

Avg Payment Amount

Last Payment Date

The Extended by relation does not generate new fields in the Customer file so you do not have to change your programs. You have to maintain only the Customer Credit History records associated with the Customer file.