For incremental logging with immediate updates, a log record for a transaction would contain a. A transaction

Question:

For incremental logging with immediate updates, a log record for a transaction would contain

a. A transaction name, a data item name, and the old and new value of the item
b. A transaction name, a data item name, and the old value of the item
c. A transaction name, a data item name, and the new value of the item
d. A transaction name and a data item name

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