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2.17.2.2 Recovery File

Information recorded per event include:
Transaction Id
To associate change with a transaction
Record Id
The identifier of the object
Action type
Create/Delete/Update etc
Old Value
To enable changes to be undone
New Value
To enable changes to be redone
Also log beginTransaction, prepareToCommit, commit, and abort actions, with their associated transaction id.


next up previous contents
Next: 2.17.2.3 Recovering Up: 2.17.2 Recovery Previous: 2.17.2.1 The Recovery Manager   Contents
Daniel Chalmers 2007-02-08