___________________ refers to the size of the database item being locked,and results in a trade-off between system overhead and transaction waiting.
Correct Answer:
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Q62: When the recovery manager performs a(n)_ operation
Q63: With the _ approach,database updates are written
Q64: With the _ approach,database updates are written
Q65: The degree to which a transaction is
Q66: One of the tools used by the
Q68: A type of lock usually used on
Q69: A collection of related tasks structured to
Q70: The recovery manager uses _ to control
Q71: In order to prevent lost update problems,the
Q72: The decision made by a transaction designer
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