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rollbackmore about rollback

rollback


  2  definitions  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  rollback 
  n  1:  the  act  of  forcing  the  enemy  to  withdraw  [syn:  {push  back}] 
  2:  reducing  prices  back  to  some  earlier  level 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  rollback 
 
    Reverting  data  in  a  {database}  to  an  earlier  state, 
  usually  in  response  to  an  error  or  aborted  operation. 
 
  In  a  {transaction}  based  database  system,  transactions  are 
  considered  {atomic}.  If  an  error  occurs  while  performing  a 
  transaction,  the  database  is  automatically  rolled  back 
  to  the  state  at  the  previous  {commit}. 
 
  Rollback  may  also  be  performed  by  an  explicit  rollback 
  transaction. 
 
  (2000-01-15) 
 
 




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