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Articles with tag functions Rss

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   Items 1 to 5 of 5   
 

Bowled Over by SQL Window Functions

What better way to learn how to construct complex CHECK CONSTRAINTs, use the SQL 2012 window frame capability of the OVER clause and LEAD analytic function, as well as how to pivot rows into columns using a crosstab query? Create the SQL code to score Ten-pin Bowling, of course. Dwain Camps explains the how, what and why.  Read more...
By Additional Articles 2015/02/12 | Source: SimpleTalk | Category: functions
Rating:  Rate this |   Briefcase | 8,241 reads

Lead and Lag Functions in SQL Server 2012

Arshad Ali discusses how to use CTE and the ranking function to access or query data from previous or subsequent rows. He also shows you how to leverage the LEAD and LAG analytics functions to achieve the same result without writing a self-join query using CTE and ranking function  Read more...
By Additional Articles 2014/12/10 | Source: Database Journal | Category: sql server 2012
Rating: (not yet rated)  Rate this |   Briefcase | 6,987 reads

Is It Time To Clear Out Those Quirky Functions?

Phil Factor ponders a cull of some of SQL Server's worst-behaving functions.  Read more...
By Phil Factor 2014/07/10 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 270 reads

Stairway to XML: Level 9 - Creating XML-Based Functions

In this Level, we’ll look at how to use XML methods within user-defined functions to return XML fragments and values from your target XML instance.   Read more...
By Rob Sheldon 2013/01/30 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,664 reads

An Implementation of the FNV1a Hash Algorithm for SQL Server

Three CLR-resident functions for 16-, 32-, and 64-bit FNV1a hashing  Read more...
By Bret Lowery 2012/02/20 | Source: SQLServerCentral.com | Category: sqlclr
Rating: |  Discuss |   Briefcase | 4,201 reads
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