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### 1 comment

https://gateoverflow.in/223561/Self-doubt (for option a)

thomas write rule allows(to be precise it  ignores) obsolete writes.

where as in time stamping protocol when we encounter obsolete writes we rollback that transaction.

therefore, concluding that if a transaction has no OBSOLETE writes it is both time stamping protocol and thomas write rule applicable.

if it has an obsolete write it will not be processed by time stamping protocol, but thomas write rule will allow it.

to conclude, every schedule is allowed under basic time stamping protocol is also allowed by thomas write rule.

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