Data/Interface Separation -

Data/Interface separation is using at least two files for your solution. One file is for data storage and the other for the interface. SQL databases make use of this concept, whereas FileMaker utilizes both the interface and the tables in a single file. Both have their advantages and disadvantages.

This article from FileMaker Pro Magazine discusses on how you can utilize the separation model within your own FileMaker solution.
Click here to view.