What advantage would you get if you increase the length of time during which the undo information would be stored in the database?

What advantage would you get if you increase the length of time during which the undo
information would be stored in the database?

What advantage would you get if you increase the length of time during which the undo
information would be stored in the database?

A.
read consistency for long-running transactions

B.
roll back of large transactions

C.
roll forward to redo a transaction

D.
data concurrency for large updates



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