April 2006
Intermediate to advanced
640 pages
16h 46m
English
This chapter covers various data-aggregation techniques, including the new OVER clause, tiebreakers, running aggregates, pivoting, unpivoting, custom aggregations, histograms, grouping factors, and the CUBE and ROLLUP options.
Throughout this chapter, in my solutions I’ll reuse techniques that I introduced earlier. I’ll also introduce new techniques for you to familiarize yourself with.
Logic will naturally be an integral element in the solutions. Remember that at the heart of every querying problem lies a logical puzzle.
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