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Content with tags T-SQL, partition Rss

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Cumulative sum of previous rows

I had an update statement that took 3 minutes to run after this code change it took 6 seconds.  Read more...
By Ben Kubicek 2014/05/08 | Source: SQLServerCentral.com | Category: cumulative
Rating: |  Discuss |   Briefcase | 10,682 reads

Calculating the Median Value within a Partitioned Set Using T-SQL

It is ironic that one of the most essential of statistical aggregations, the median, has been so difficult in the past to calculate efficiently in SQL. Dwain Camps sets the candidates to work and identifies the winners and losers.   Read more...
By Additional Articles 2014/01/22 | Source: SimpleTalk | Category: median
Rating:  Rate this |   Briefcase | 2,503 reads
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