Berkeley DB Reference Guide:
Upgrading Berkeley DB Applications
Upgrading Berkeley DB 3.0.X applications to Berkeley DB 3.1
Release 3.1: introduction
Release 3.1: DB_ENV->open, DB_ENV->remove
Release 3.1: DB_ENV->set_tx_recover
Release 3.1: DB_ENV->set_feedback, DB->set_feedback
Release 3.1: DB_ENV->set_paniccall, DB->set_paniccall
Release 3.1: DB->put
Release 3.1: identical duplicate data items
Release 3.1: DB->stat
Release 3.1: DB_SYSTEM_MEM
Release 3.1: log_register
Release 3.1: memp_register
Release 3.1: txn_checkpoint
Release 3.1: environment configuration
Release 3.1: Tcl API
Release 3.1: DB_TMP_DIR
Release 3.1: log file pre-allocation
Release 3.1: upgrade requirements
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