Exploring the potential benefits of the T-SQL Window functions (OVER, LAG, and LEAD) in this piece. You can learn how to achieve up to 50% performance boost by replacing a single function call.
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By
Eirikur Eiriksson
2016/04/22 (first published: 2014/03/24)
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Source:
SQLServerCentral.com
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Category:
sql server 2012
