# Berkeley DB Reference Guide: Release 3.3: txn_prepare
Berkeley DB: An embedded database programmatic toolkit.
Keywords: embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++

###

Berkeley DB Reference Guide:
  Upgrading Berkeley DB Applications

### Release 3.3: txn_prepare

An additional argument has been added to the txn_prepare function. If your application calls txn_prepare (that is, is performing two-phase commit using Berkeley DB as a local resource manager), see Distributed Transactions for more information.

Copyright (c) 1996,2007 Oracle. All rights reserved.