Every day, out in the SQL Server forums, the same questions come up again and again: why is this query running slow? Why isn't my index getting used? In order to arrive at the answer you have to ask the same return question in each case: have you looked at the execution plan? Grant Fritchey provides the only dedicated and detailed book on this essential topic.
2009-02-10
47,569 reads
When information is exchanged in XML format, there needs to be an agreement between the sender and receiver about the structure and content of the XML document. An XSD (XML Schema Definition Language) Schema can be used to enforce this contract and validate the XML data being exchanged. Jacob Sebastian's book explains all.
2009-02-10
5,313 reads
SQL Server Profiler can troubleshoot a wide range of SQL Server issues, such as poorly-performing queries, locking and blocking, excessive table/index scanning, and a lot more. Brad's book will allow you to master the use of this versatile tool.
2009-02-09
19,009 reads
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
By Brian Kelley
I am able to head back to Seattle for the PASS Summit this year....
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I still have a tendency to talk about all the cons of a proposed...
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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 9If 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