The database path for ChessBase is the place where it will automatically install or create new databases. Also your games played on the chess server playchess.com are store here.
The default database directory is My Documents\ChessBase. This is consistent with the Windows standard and should not be changed.
This is where your Mega Database and all other large databases will be installed.
This is for the openings books.
Here you will find the databases that our chess playing programs generate, e.g. for engine matches and when they automatically save games.
For games automatically downloaded from the Internet.
For repertoire databases
All ChessBase-generated files which are not game databases.
If you play on the chess server, the database path will contain the databases
Games you played.
Games you watched.
Games of tournaments you organized on the server.
Games you played in the machine room.