Multiple Choice
Julia has a lock on the savings account and Bill is trying to perform a conflicting action on the data:
A) Bill's transaction is granted permission to perform the desired action
B) Bill's transaction must wait until Julia's lock is released
C) Bill's transaction must wait until Julia has read the savings account value
D) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q1: A(n)_ is a collection of operations that
Q2: For each transaction,the _ statement can be
Q4: When an update to the database takes
Q5: The optimistic concurrency control approach may delay
Q6: A(n)_ is an inconsistent retrieval problem which
Q7: Julia has a shared lock on the
Q8: Which of the following will cause a
Q9: Some transactions have tentative actions that can
Q10: Which of the following is an example
Q11: Consider a transaction that updates each of