transaktionslogfiler
Transaktionslogfiler (transaction log files) are specialized records used by database and file systems to capture all changes made within a transaction. They serve as a durable record that enables atomicity, durability, and crash recovery by detailing which transactions occurred and what data was modified.
A log entry typically includes a transaction identifier, a timestamp, an operation type (insert, update, delete),
These logs play a central role in recovery and durability. If the system crashes, the log can
Examples across systems include PostgreSQL, which uses the Write-Ahead Log (WAL); SQL Server, which maintains a
Operationally, transaktionslogfiler require careful management. They must be stored reliably, backed up, archived when appropriate, and