A second-tab reference for Part 6: Excel, Power Query, and DAX translations; core SQL patterns; and the dialect differences that break copy-paste. Part 6 made the argument: move the question to the ...

If you have ever written a complex SQL query involving rankings, running totals, moving averages, top-N records, or comparing rows within the same dataset, chances are you have faced difficult joins, ...

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Abstract: The iceberg cubing problem is to compute the multidimensional group-by partitions that satisfy given aggregation constraints. Pruning unproductive computation for iceberg cubing when ...

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