Jonathan Spink


SQLServerCentral Article

A Report to Display and Edit User 'Rights'

Reporting Services is quickly becoming one of the most popular parts of SQL Server and new author Jonathan Spink brings us an interesting use of this subsystem. He explains how Reporting Services can do more than just display data; it can also provide an easy interactive way to make changes without the overhead of a complete .NET application.

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2006-08-09

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Question of the Day

The LAGging NULL

I have this data in a SQL Server 2022 table:

player         yearid team HR
Alex Rodriguez 2012   NYY  18
Alex Rodriguez 2013   NYY  7
Alex Rodriguez 2014   NYY  NULL
Alex Rodriguez 2015   NYY  12
Alex Rodriguez 2016   NYY  9
If I run this code, what are the results returned in the hrgrowth column?
SELECT
  player
, yearid
, hr
, hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth
FROM dbo.playerstats;

See possible answers