T$1$ T$2$

read Y

read X

Z $=$ X $*2$

write Z

X $=$ Y $+4$ commit

write X

commit

T$1$ T$2$

read Y

X $=$ Y $+4$

write X

read X

Z $=$ X $*2$

write Z

commit commit

T$1$ T$2$

read X

Z $=$ X $*2$

write Z

commit

read Y

X $=$ Y $+4$

write X

commit

Enter the value of Z after each schedule executes. Initial values: X $=6,$ Y $=8,$ Z $=0.$

Ex: $5$

Z $=$ Z $=$

Z $=$

A and B areA and C areB and C are

Pick

schedules.

Pick

schedules.schedules.