Recovering a database via rollforward involves: $43)\_\_\_\_\_\_$

A$)$ synchronizing the database and the transaction log by

checkpointing.

B$)$ restoring the database from the save and reprocessing all the

transactions since the save.

C$)$ restoring the database from the save and reapplying all the

changes made by transactions since the save.

D$)$ undoing the changes made by erroneous or partially processed

transactions, and restarting the valid transactions that were in

process at the time of the failure.

E$)$ re$-$creating the database by re$-$entering all of the data from the

beginning, and then reprocessing all of the transactions