alleryStart learning →Thomas's Write Rule, applied to the case TS(T) < W-timestamp(Q), says to
Aabort T immediately
Bconvert T's write into a read of Q
Cpromote T's timestamp to W-timestamp(Q)
Dignore (skip) T's write but allow T to continue
Answer & Solution
Correct answer: D. ignore (skip) T's write but allow T to continue
**Thomas's Write Rule:** when TS(T) is older than W-timestamp(Q), some newer write has already happened.
T's write would just be immediately overwritten
so the rule lets you SKIP it without aborting T. The resulting schedule is view-serializable even if not conflict-serializable.
The other options are invented.
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