Simple Win32 commandline tools for content manipulation of SQLite based BigPlanet tileset. (Produced by MOBAC, or something else.)
Download: DBMapTools 1.0.0 (beta)
Creating set of separate databases, one for each zoom level.
dbmjion <destination_db.sqlitedb> <source_db.sqlitedb>
Merge two databases into one. Source_db is merged into destination_db. Source_db left unchanged. If some map tile exists in both databases, then tile in destination_db will be overwritten by tile from source_db.