Advice on using COUNT( )
In this article new columnist Christoffer Hedgate offers his advice on what performs better, COUNT(*) or COUNT(column).
In this article new columnist Christoffer Hedgate offers his advice on what performs better, COUNT(*) or COUNT(column).
Come and help us beta test our new website! Eurgeeka is a central place to search for the latest in SQL Server news, articles and press releases from all SQL Server related websites. If you're a SQL Server solution provider or website, you can add your news for free!
Following up on a question posted in our discussion area, Andy looks at how to use DMO to add and remove linked servers. Along the way he points out a couple 'gotchas' and throws in a cool tip about how to save a little time when you experiment with DMO.
Microsoft SQL Server 2000 Notification Services is the premier platform for developing and deploying a new class of scalable Web applications that deliver personalized, timely information updates to a variety of mobile devices. Review the resources on this page for details.
Do you get tired of reviewing each SQL Agent notifications nightly to determine which SQL Agent jobs failed? Is there a significant number of SQL Agent job notifications that it takes a while to review each? Here is an alternative that allows you to have a single email report of all job failures.
Having trouble with a target server (TSX)? Steve Jones did in his environment. Read about how he worked around the issue to restore administrative capabilities.
This program makes it easy to add and maintain extended properties for all objects in SQL Server 2000. Where as the Query Analyzer only allows you to maintain certain object SEPE allows all object to be maintained. This product is freeware for SQLServerCentral.com members.
SQL Server 2000 Enterprise Edition clocked an incredible 308,620 transactions per minute (tpmC)1 running on Windows .NET Server 2003, Datacenter Edition on an NEC TX7 server with 32 Intel Itanium 2 processors. The NEC system sets a new performance record on Windows, nearly doubling the best published 32-bit result. In addition, this Microsoft/Intel/NEC solution delivers the best price-performance of all results on the Top Ten performance list, at just $14.96/tpmC.
NGSSoftware have released NGSSQuirreL, a security audit and management tool for SQL Server. Designed to ease the administrative burden of securing SQL Server, NGSSQuirreL finds the security holes then generates a lockdown script based upon the vulnerabilities found so the server can be secured in a matter of minutes; and regular audits can help keep it that way. For more information or an evaluation copy please see the NGSSite - http://www.nextgenss.com/.
During the process of performance tuning queries and stored procedures there comes a time when you will notice that the execution plan selected by SQL Server is not the best plan. On occasion, everything you try doesnt cause SQL Server to choose the best way to execute your code. These are the times when hints can improve performance.
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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