Jul
9

GigaOm Structure Highlights

Posted on July 9, 2010 by Ron Bodkin

The GigaOM Stucture conference a couple of weeks ago addressed many areas of cloud computing. One of the key themes of the event was the emergence of new data architectures. Throughout the panels, interviews, and presentations many speakers identified significant changes in how data gets handled that will be coming. Paul Maritz, CEO of VMWare,…

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Feb
12

SQL Window Functions in Hive

Posted on February 12, 2010 by Ron Bodkin

One of the powerful capabilities of SQL 2003 is the ability to use window functions, e.g., this query computes the ratio of a score to the average score of lower scores, for each product select score/(sum(score)/row_number()), product over (partition by product order by score) from product_scores

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