Question: 9 . 4 9 Describe the rollback process. Under what conditions should it be used? 9 . 5 0 Describe the rollforward process. Under what

9.49 Describe the rollback process. Under what conditions should it be used?
9.50 Describe the rollforward process. Under what conditions should it be used?
9.51 What is a checkpoint?
9.52 Summarize the DBAs responsibilities for managing the DBMS.

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