## Package org.h2.log

Undo and redo log implementation.

See:
Description

Class Summary
InDoubtTransaction: Represents an in-doubt transaction (a transaction in the prepare phase).
LogFile: Each transaction log file contains a number of log records.
LogSystem: The transaction log system is responsible for the write ahead log mechanism used in this database.
RedoLogRecord: Represents a redo-log record.
SessionState: The session state contains information about when was the last commit of a session.
UndoLog: Each session keeps a undo log if rollback is required.
UndoLogRecord: An entry in a undo log.

## Package org.h2.log Description

Undo and redo log implementation.