Deadlocks are possible only when one of the transactions wants to obtain an ____ lock on a data item. *
complete
shared
exclusive
binary
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Given,
Deadlocks are possible only when one of the transactions wants to obtain an ____ lock on a data item.
(a)complete
(b)shared
(c)exclusive
(d)binary
Solution,
Know that a deadlock is a situation in which two or more transactions are waiting for one another to give up locks.
Hence, the correct option is (c) i.e. exclusive.
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