If wound and wait scheme is considered, which of the following will holds good?
If T22 requests a data item held by T23
If T24 requests a data item held by T23
where '22', '23' and '24' are time stamps in seconds
1
T23 rolled back, T24 will wait
2
T24 rolled back, T23 rolled back
3
T22 rolled back, T23 will wait
4
T22 rolled back, T24 will wait