US PATENT SUBCLASS 714 / FOR 249
.~.~.~ Undo records (395/182.17)

Current as of: June, 1999
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714 /   HD   ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY

FOR 231  DF  RELIABILITY AND AVAILABILITY (395/180) {4}
FOR 232  DF  .~ Fault recovery (395/181) {4}
FOR 245  DF  .~.~ State recovery (i.e., process or data file) (395/182.13) {6}
FOR 249.~.~.~ Undo records (395/182.17)

DEFINITION

Classification: 714/FOR.249

Undo records:

Foreign art collections including subject matter further including means or steps for recovery of data in the presence of uncommitted action using a record of the data created before the action.