SqlServer-QA.net

Initially I preferred to put this blog post within Performance tuning blog section here, but as it relates to the TSQL script thought this is best place to go. Anyways, if you have a performance problem the foremost option is to find whether the server resources are utilized properly or not, this is where SQL Server migth encounter the allocation ...

Simple, short and crisp - I would like to say about TSQL enhancements within SQL Server 2008. You may already aware about what's new and how best you can take advantage within your code, most of the Developers would agree about IntelliSense functionality that supports (gives you advantage on) frequently used TSQL elements, we can expect to ...

As usual the new release of SQL Server version 2008 had few changes from 2000 to 2005 and as usual this control-of-flow sequence should occur in order to take advantage of performance with transaction/rollback advantages.  Such direction of flow should be used extensively with inter-dependnt constructions such as BEGIN...END with a ...

When it comes to monitor the query performance whether it is TSQL or MDX, the process is similar. You need to have a better understanding on how queries are executed (architecture), what tools are available for monitoring and best practices to improve performance. So similar to Relational database engine, Analysis Services engine architecture ...

Though it is not a best practice to perform a CREATE INDEX on large tables during the online hours where you have number of users accessing the metadata of SQL Server database. Within SQL Server 2005 Enterprise Edition you can perform ONLINE indexes operation, in this regard review the blogs by SQLQuery Processing team about offline ...

Recently I have to search for the information on the total size of free physical memory on the SQL Server which is causing lots of performance issues, when reported to CSS they have supplied the following TSQL to get more information in this regard: With VASummary(Size,Reserved,Free) AS (SELECT   Size = VaDump.Size,   Reserved = ...

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 ...

The Squeeze function is used to remove the multiple occurences of spaces into one occurence. In SQL Server there is no function to do the same. I needed to write this in my application to remove unwanted spaces in the string. Run the following and see the result declare @t table(string_col varchar(100)) insert into @t select 'a ...

It is worth mentioning the valueable query I have been through when referring to Technet Magazine, the following query has given me useful information in finding out what are my top 20 most expensive queries that are consuming most of disk I/O (read & write). November2007 magazine refers as follows: SELECT TOP 20 SUBSTRING(qt.text, ...

Based upon the query or stored procedure execution the plan will be stored in the cache, but it may not be in readable format as it is stored in Hexadecimal when you simply query SYSPROCESSES table. So in order to extract the query plan that is in cache, you can retrieve the SQL text of the query and the query execution plan in XML showplan format ...