MVCC Visibility Rules Demonstration

Illustrates how transactions see data based on snapshot isolation. Focus on T3's reads and how its snapshot (taken at t=40) affects what it sees from T1 and T2, even after they commit.

Step: 0/14 | Time: 0

Next TxID: 1 | Committed: [0]

Data Item Versions (Global State)

Current Operation

None

Transaction States & Snapshots

No active transactions.

Transaction Timelines

0

10

20

30

40

50

60

70

T1

B

R

W

R

C

T2

B

R

W

R

C

T3

B

R

R

C

Legend

B

Begin

R

Read

W

Write

C

Commit

A

Abort