The Undo logging record prefix is present in all Undo Start, Undo Read-for-Update/Erase, Undo Write-for-Add, and Undo End log records (record data).
The Start-of-Run (SOR) log record does not include this prefix.
Undo type | Code |
---|---|
Undo start | X'8C' |
Undo read-for-update | X'81' |
Undo write-for-add | X'83' |
Undo end | X'8D' |