Consider the following schedule for transactions T1, T2 and T3
| T1 | T2 | T3 |
| Read(X) | ||
| Read(Y) | ||
| Read(Y) | ||
| Write(Y) | ||
| Write(X) | ||
| Write(X) | ||
| Read(X) | ||
| Write(X) |
Which one of the schedules below is the not correct serialization of the above?
1
T1->>T3->>T2
2
T2->>T1->>T3
3
T2->>T3->>T1
4
T3->>T1->>T2