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Alternative Aggregations

By Russ Whitney – Analysis Services natively supports many aggregation types, but sometimes you need to perform an aggregation that native types can’t handle. Here are some ways you can use non-native aggregation types to solve real-life calculation problems.

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Kicking back with RELAX NG, Part 1

RELAX NG schemas provide a more powerful, more concise, and semantically more straightforward means of describing classes of valid XML instances than do W3C XML Schemas. The virtue of RELAX NG is that it extends the well-proven semantics of DTDs while allowing orthogonally extensible datatypes and e