Jos, my
co-author for the "Building Pentaho Solutions" book just
pointed me to a recent article by Jeff Prenevost entitled
"The Problem with History".AbstractJeff's
topic, loading a hybrid Type 1 / Type 2 slowly changing dimension table is related to
data warehousing but maybe of interest outside of
that context as well.
As it turns out, the particular problem described by Jeff is
non-trivial, but can be solved quite elegantly in a single SQL
statment. This may be a compelling alternative to the multi-step, …
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