Note: A glossary of technical terms used in these articles can be found on the Web sites of the authors. In addition, a listing of earlier articles and/or columns in this series can also be found on DMReview.com, MindfulData.com and InbaseInc.com.
Last month, we completed our first update to policy P861. This month, we will apply a second update. As Figure 1 shows, all original updates are translated into three physical transactions against the target table, which we call temporal transactions. The first of the three is always a physical update; the second two are always physical inserts.
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