Hi,

On 06/06/11 12:56, Kirill Bestoujev wrote:
The resulting map (a single file) contains data from both
sources. Can this resulting map (which is a database by its inside
structure) treated as a collective database?

I believe so. In my opinion, a derived database would result if you were to mix other data with OSM data in a way that actually looks at the OSM data - for example, if you have an OSM database of streets, and then add to that streets from another dataset but only where OSM had nothing. That would be a derived database. But if you have two datasets that live side-by-side in the same physical database, I would say that is a collective database.

Bye
Frederik

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