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Consider the following cases for recovery. Briefly justify your answers. You will not receive marks for answers without explanation. a ) If the buffer pool

Consider the following cases for recovery. Briefly justify your answers. You will not receive marks for answers

without explanation.

)

If the buffer pool is large enough that uncommitted data are never forced to disk, is UNDO still necessary? How

about REDO?

)

If updates are always forced to disk when a transaction commits, is UNDO still necessary? How about REDO?

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