Each form that you set up within Dataease is a database file.
Second, and perhaps more important, Approach can also work as a "front end" for existing database files.
This is especially true for database files of all kinds.
When you open a form in Approach, it is a kind of window into the database files.
A Revit model is a single database file represented in the various ways which are useful for design work.
The database file has to be saved on a windows network drive.
The content is indexed in a database file, known as Index.
Forms and reports were stored in files external to the database file.
Forms, scripts, and reports were rolled into the database files.
Several operators can simultaneously access or update information in the same database file.