22. Which one of the following schedules has a conflict?
A) Sa: r1(X); r1(Y); r2(Z); r1(Z); w1(X); w1(Z)
B) Sb: r1(X); r2(X); r1(X); r1(Y); r2(X); w1(Y)
C) Sc: r1(Z); r2(X); w1(Z); r1(Y); w1(Z); w2(X)
D) both a and b
If you were trying to cut and paste, it does not work here. You will need to type it all out.
Sra