MCQOPTIONS
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				| 1. | 
                                    Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â rollback requires the system to maintain additional information about the state of all the running transactions. | 
                            
| A. | total | 
| B. | partial | 
| C. | time | 
| D. | commit | 
| Answer» C. time | |