The Log Manager component of DB2's architecture facilitates ________.

  • Buffer management
  • Data storage and retrieval
  • Query optimization
  • Transaction logging and recovery
The Log Manager in DB2's architecture facilitates transaction logging and recovery. It records all changes made to the database in a sequential log, allowing for rollback and recovery in case of system failures or errors. This ensures database consistency and durability by providing a means to restore the database to a consistent state after a failure. The log manager also aids in database replication and point-in-time recovery. 
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