# Berkeley DB: Transaction Subsystem and Related Methods

Transaction Subsystem and Related Methods | Description
--- | ---
DbEnv.set_tx_max | Set maximum number of transactions
DbEnv.set_tx_timestamp | Set recovery timestamp
DbEnv.txn_checkpoint | Checkpoint the transaction subsystem
DbEnv.txn_recover | Distributed transaction recovery
DbEnv.txn_stat | Return transaction subsystem statistics
DbEnv.txn_begin | Begin a transaction
DbTxn.abort | Abort a transaction
DbTxn.commit | Commit a transaction
DbTxn.discard | Discard a prepared but not resolved transaction handle
DbTxn.id | Return a transaction's ID
DbTxn.prepare | Prepare a transaction for commit
DbTxn.set_timeout | Set transaction timeout

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