A transaction manager is which of the following? Options: A . &nbspMaintains appropriate concurrency control B . &nbspAll of these C . &nbspMaintains before and after database images D . &nbspMaintains a log of transactions

A transaction manager is which of the following?

Question

A transaction manager is which of the following?

Options:

A . Maintains appropriate concurrency control

B . All of these

C . Maintains before and after database images

D . Maintains a log of transactions

Answer: Option B

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