Question: If the shadowing approach is used for flushing a data item back to disk, then a. The item is written to disk only after the

If the shadowing approach is used for flushing a data item back to disk, then

a. The item is written to disk only after the transaction commits
b. The item is written to a different location on disk
c. The item is written to disk before the transaction commits
d. The item is written to the same disk location from which it was read

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