Principles Of Distributed Database Systems Exercise Solutions

consistency. You don't need every node to be identical every millisecond. You just need them to agree on the final state before the bill is paid."

Given read and write operations from transactions T1, T2, T3 on data items X, Y, Z stored at different sites. Determine if the schedule is conflict-serializable and if the protocol would allow it. consistency

First, compute possible semi-joins to reduce size before shipping. T3 on data items X