Everything is saved in a single directory for the database.
Example:
NinjaDbPro db = new NinjaDbPro("MyDatabaseDir","MyDatabaseName")
Here is the default structure for the parameters used above:
MyDatabaseDir
MyDatabaseName.ndb – This is the data file
MyDatabaseName.ndx – This is the index file
MyDatabaseName.ntl – This is the transaction log when a transaction is in progress
MyDatabaseName.nsc – This is the schema file