Friday, June 8, 2007

Question 73

Which of the following is a correct statement concerning the operation of a lock used for concurrent control of transactions?

a) A request for a shared lock will be granted if it is made while a shared lock is used.
b) A request for an exclusive lock will be granted if it is made while a shared lock is used.
c) A request for a shared lock will be granted if it is made while an exclusive lock is used
d) A request for an exclusive lock will be granted if it is made while an exclusive lock is used

answer

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