![]() ![]() indexing strategy based on the data manipulation tendencies The IDEF1X diagram shown in Figure 1, although highly simplified, depicts such a scenario:Īnd the following SQL-DDL logical-level design, based on said IDEF1X diagram, illustrates a feasible approach that you can adapt to your own exact needs: - At the physical level, you should define a convenient the EndDate of a Price is a derivable datum.there are no Gaps between the distinct Periods during which the Prices are Current (the time series is continuous or conjunct), and. ![]()
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