Berkeley DB Reference Guide:
Upgrading Berkeley DB Applications
Upgrading Berkeley DB 4.0.X applications to Berkeley DB 4.1
Release 4.1: introduction
Release 4.1: DB_EXCL
Release 4.1: DB->associate, DB->open, DB->remove, DB->rename
Release 4.1: DB_ENV->log_register
Release 4.1: st_flushcommit
Release 4.1: DB_CHECKPOINT, DB_CURLSN
Release 4.1: DB_INCOMPLETE
Release 4.1: DB_ENV->memp_sync
Release 4.1: DB->stat.hash_nelem
Release 4.1: Java exceptions
Release 4.1: C++ exceptions
Release 4.1: Application-specific logging and recovery
Release 4.1: upgrade requirements
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