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Business Intelligence with MicroStrategy Cookbook
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Aggregate data is what reports are made of; speaking ANSI SQL, this means GROUP BY
. MicroStrategy applies GROUP BY
to all the attributes present on a report grid. Well, this is not completely correct, but we begin with this simple concept:
Every attribute on a grid is reflected in the GROUP BY
clause of the resulting SELECT
statement.
Hence, we have:
Metrics that represent the aggregation (sum, count, and so on) of facts
Attributes BY
which we GROUP
the data
I hope this is clear enough, because this concepts will return every now and then with metrics. In this recipe, anyway, we'll see an example of how it works.
We are using now the SalesAmount
metric and the Product
attribute. Before going on we need to establish a connection between the fact table and the attribute table, so that MicroStrategy knows how to JOIN
them.
The connection is represented by the FK (ProductKey
) in FactInternetSales
. In other words, the ID form of Product is present in both...
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