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Asked: 2021-11-02T08:36:36+05:30 In:

Consider the following transactions with data items P and Q initialized to zero: T1 : read (P) ; read (Q) ; if P = 0 then Q : = Q + 1 ; write (Q). T2 : read (Q) ; read (P) if Q = 0 then P : = P + 1 ; write (P). Give sequence of non-serial interleaving of T1 and T2 for concurrent execution.

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Consider the following transactions with data items P and Q initialized to zero:

T1 : read (P) ;

read (Q) ;

if P = 0 then Q : = Q + 1 ;

write (Q).

T2 : read (Q) ;

read (P)

if Q = 0 then P : = P + 1 ;

write (P).

Give sequence of non-serial interleaving of T1 and T2 for concurrent execution.

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