The database files created by Berkeley DB can be created in either little or
big-endian formats. By default, the native format of the machine on which
the database is created will be used. Any format database can be used on
a machine with a different native format, although it is possible that
the application will incur a performance penalty for the run-time
conversion.
No user-specified data is converted in any way at all. Key or data items
stored on machines of one format will be returned to the application
exactly as stored on machines of another format.