A ________is common data that multiple users try to change.Without adequate concurrency control,users may interfere with each other on ______s.
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Q38: Which of the following problems is not
Q39: A hot spot is common data that
Q40: The serializable isolation level is not as
Q41: Consider a transaction that updates each of
Q42: Typically,the most serious concurrency problem to avoid
Q44: Which one of the following isolation levels
Q45: Consider a transaction that updates each of
Q46: Depending on the DBMS,checkpoints:
A) Are performed when
Q47: With database locking,a(n)_ lock must be obtained
Q48: A(n)_ is also known as a dirty
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