Products
Visitor Data Mart
Summary
How VDM is structured
Cause
Visitor Data Mart databases exists in 3 basic volumes:
Visitor
The database stores persistent data about the visitor that is unlikely to be changed or does not get changed. For instance, initial ad ID is permanently stored as an attribute of the visitor.
Visit
This is data specific to the visit. Subjects covered include browsers and current city.
Events
These can be described as things the visitor does, such as clicking on campaign ad or purchasing something.