Transaction Log Architecture
The topics in this section provide the basic architectural information required to understand how the transaction log is used to guarantee the data integrity of the database and how it is used for data recovery.
Understanding the information in this section can help improve your effectiveness in managing transaction logs.
In This Section
Transaction Log Logical Architecture
Describes the logical architecture of the transaction log.
Transaction Log Physical Architecture
Describes the physical components of the transaction log file, including virtual log files.
Checkpoints and the Active Portion of the Log
Describes the checkpoint operation and the effect of checkpoints on the transaction log.
Write-Ahead Transaction Log
Describes the role of the write-ahead transaction log in recording data modifications to disk.