SqlServer-QA.net

SQL Server Performance Tuning, sounds familiar on a DBA perspective and though it sounds like an easy words but when you start analyzing the problem it is far deeper inside. When you refer to the web resources such as forums/newsgroups then a common question will be fulfill of improving performance on a relatively busy ...

Usage of Temporary tables or variables is a common scenario in SQL Server world, since SQL Server 2005 usage of TEMPDB references to the blog posts here: http://sqlserver-qa.net/blogs/tools/archive/2007/04/05/sql-server-index-optimization-best-practices.aspx, ...

Have you ever performed huge operations such as deleting records of a table and processing inserts on that table at the same time? This is a common task that every application will have to perform and you can avoid by fine tuning your queries (mostly deletes). As you are aware the inserts operations will have to wait to update the table where the ...

Here comes another Frequently Asked Question (FAQ) on the forums and Frequently Posted Blog (FPB) here about high cpu issues on the SQL Server 2000 instances. Looking at high cpu spiks and performace issues is a common problem in all SQL Server installations, handling this issue within SQL Server 2005 is not a problem as there are DMVs to extend ...

PARALLELISM is a close friend of DBA where you get to see it as a common occurence in the multi-processor server environment and during such performance issues you can also investigate whether a parallel plan is in use. For instance If a particular query is slow when it is using a parallel plan, you can try forcing a non-parallel plan by ...

Its a general assumption that whenever performance is degraded, the finger will be pointed to SQL Server, pretty easy eh!? If you look at any of the SQL Server related forums then 3 in 10 questions asks same question and nothing but shove blame on SQL Server. It is always better to be proactive than reactive, when it comes to identifying and ...

Until recently I have just used Dedicated Administrator Console (DAC) to connect just to test whether the connection will be successful. You may be aware that only administrator will be able to access a running instance of SQL Server Database Engine to troubleshoot problems on the server—even when the server is unresponsive to other client ...

Yet another important factors that every DBA needs to concerned about table & index fragmentation within their SQL Server environment. Refer to the article about DetectTableFragmentation  in both 2000 and 2005 version.   Fragmentation occurs due to updates and delets on the table and the golden rule is that ...

This was the question asked during an interview that was attended by one of my friend, I'm not sure how he managed to answer but came to me asking how it is possible. For your information after you apply SQL 2000 Service Pack 4, you might observe that a SPID is blocking itself, as reported in the output of sysprocesses when you are using SP_WHO2 ...

More information about  nonlocking, nonblocking read consistency to your users through snapshot isolation and read committed isolation using row versioning. Find out when you can use these features to improve performance and reduce latency in your applications. http://msdn2.microsoft.com/en-us/library/ms345124.aspx