Write to the log before changing the database values

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Reference no: EM131218838

a. Why is it important to write to the log before changing the database values?

b. Describe the rollback process. Under what conditions should it be used?

c. Describe the roll forward process. Under what conditions should it be used?

d. What is the advantage of taking frequent checkpoints of a database?

e. Summarize the DBA's responsibilities for managing the DBMS.

Reference no: EM131218838

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