Which one of the following isolation levels does not prevent the scholar's lost update problem?
A) Read committed
B) Read uncommitted
C) Repeatable read
D) Serializable
Correct Answer:
Verified
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
Q43: A _is common data that multiple users
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
Q49: A measure of the amount of work
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