Question: 1. A transaction need NOT be A. serializable B. durable C. atomic D. a unit of database processing 2. True or false? Transactions may share

1. A transaction need NOT be A. serializable B. durable C. atomic D. a unit of database processing

2. True or false? Transactions may share a read lock on a data item True False

3. The primary responsibility of the recovery subsystem of DBMS is ensuring A. isolation property B. atomicity property C. durability property D. consistency preservation

4. The ___________ is responsible for preserving the isolation property of a transaction. A. recovery subsystem B. application programmer C. database designer D. concurrency control subsystem

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