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Which of the following is TRUE of the two - phase locking protocol? O once a transaction releases a lock, it can never acquire any
Which of the following is TRUE of the twophase locking protocol?
O once a transaction releases a lock, it can never acquire any new locks
O all of the above
O every tragsaction goes through a growing and then a shrinking phase
O a transaction never releases a lock until it has reached a stage where no new locks will be needed
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