bai 13 mon thu 4
Database Recovery
Recovery Facilities
Reovery manager
Flush
Fetch
Backup
Logging
Information update
checkpoint records
Transaction records
After immedia
Before immedia
Main memory
Actions
Write
Read
Begin
Checkpoint
Failure cause
Media failure
Software failure
Unitentional destruction
Sabotage
Natural disasters
System Crashes
Transaction
Recovery manager
Durability
Automic
Recovery techniques
Shadow paging
Deferred update
Immedia (in place) update
Database types
Stable
Volatile