347 views
0 votes
0 votes

question about concurrency control methods 

 

 

Please log in or register to answer this question.

Related questions

2 votes
2 votes
0 answers
1
vinay chauhan asked Jan 18, 2019
576 views
Is different 2 phase locking a subset of each other? For example, if the schedule is Strict 2PL then it will also be simple 2PL.Something like a 2PL is a subset of Strict...
1 votes
1 votes
0 answers
2
1 votes
1 votes
1 answer
3
aditi19 asked Nov 25, 2018
447 views
T1: W(X), T2: R(Y), T1: R(Y), T2: R(X)does 2PL protocol allows it? T1 T2L-X(X)W(X)L-S(Y)R(Y)U(X) L-S(Y)R(Y)L-S(X)R(X)here T2 is granted lock on X as T1 enters sh...
0 votes
0 votes
0 answers
4
gatecrack asked Sep 5, 2018
378 views
Consider th following scheduler1(A)r2(B)r3(C)w1(B)w2(C)w3(D)Find the schedule which are possible to execute by strict 2PL protocol? consider commit operation as immediate...