Time and Time Again: Scenario 1, Transaction 4

In our last column, we completed our second update to policy P861. In this column, we will apply a delete transaction. As Figure 1 shows, all original deletes are translated into two physical transactions against the target table, which we call temporal transactions. The first of the two is always a physical update; the second is always a physical insert.

via Time and Time Again: Scenario 1, Transaction 4.