3 Consider Following Lock Requests Table 1 Note O S X Stand Shared Lock Exclusive Lock Re Q37111153

3. Consider the following lock requests in Table 1. And note that o S( ) and X( ) stand for shared lock, and . exclusive lock”, respectively o T·T2, T3 and T4 represent three transactions. o LM stands for Lock Manager o Transactions never release a granted lock TS(A) S(B) X(B) X(D) s(c) x(D) T, T4 LM 8 X(C) Table 1 1. For the lock requests in Table 1, determine which lock

OR

 

OR