This article will show you the importance of Indexed Views and how they can help performance.  Read more...

Check and foreign key constraint do not degrade performance but actually improve it.  Read more...

The second part of our performance examination on the SQLServerCentral database servers using the sp_Blitz script from Brent Ozar, PLF.  Read more...

When a query suddenly starts taking much longer, what do you do? This story from Jerry   Read more...

In earlier installments of this series we looked at T-SQL Performance optimizations along with different T-SQL practices, we can now turn our attention to the second part of this series which is index Tuning  Read more...

The third article that examines the output of the sp_Blitz script™ run against SQLServerCentral's database servers.  Read more...

Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “  Read more...

A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU  Read more...

It is frustrating when you hit 'submit' and you get the hourglass big-time. Is it the database to blame? It could be, but there are other suspects that should be considered. Feodor Georgiev describes where, in the long route, to and fro', that a data request makes before returning, that things can get snarled up.  Read more...

We exposed the SQLServerCentral cluster for monitoring with SQL Monitor. Just like other companies, we have constraints on resources, and we have more work that needs to be done. Help us configure SQLServerCentral’s database servers with your suggestions on what is the highest priority for a website database back end.  Read more...

Recently we started experiencing a very strange issue in our production reporting environment where the Re-indexing and Update Statistics operation suddenly began taking more than 2 days to complete and was thus causing blockage in the database which in turn caused impairment in application performance.  Read more...

I want to ensure that my SQL Server on a VMware Guest OS is getting the resources it should. This would go a long way towards helping isolate the performance problems we're experiencing. However, our system administrators won't give us access to VirtualCenter or any of the tools they use. Is there anything I can do? Check out this tip to learn more.  Read more...

This article will demonstrate a method of creating an Excel-based CPU/scheduler performance dashboard for SQL Server 2005+.  Read more...

We have a number of SQL Server hosts with multiple SQL Server instances. From time to time we have CPU issues, but we are not sure which instance is causing the issue. How do you find which SQL Server instance is causing CPU pressure on machine with multiple SQL Server instances? Check out this tip for ideas on how to find the correct SQL Server instance which is causing CPU pressure.  Read more...

An optimized Damerau-Levenshtein Distance (DLD) algorithm for "fuzzy" string matching in Transact-SQL 2000-2008  Read more...

This article identifies which indexes are used when T-SQL code runs, and proposes ways of improving these targeted indexes, leading to better performing code.  Read more...

Great DBAs collect all kinds of metrics on their instances and let them manage themselves. However many administrators need help monitoring and interpreting the data. Today Steve Jones asks if you think this data needs extra security or is it less of an issue than other PII data.  Read more...

A look at the performance of SQL Server compared to SQLite for single user applications.  Read more...

This article describes a utility that allows you to inspect cached plans and extract information that can be useful in improving the performance of your SQL.  Read more...

Easy way to setup a comprehensive ETL Performance auditing Solution no matter how complicated your ETL setup.  Read more...