SqlServer-QA.net

Few months ago I had an excellent opportunity to learn and share the knowledge within SQL Server performance tuning, Tech-Ed Online talks [remember Tech-ed Online Panel: Leveraging ... ]. Same in the series Amit Bansal, SQL Server MVP from India and myself had a brief chalk-talk online session on query tuning techniques and also brief tips ...

It is no doubt that when a database consists 'well-designed' indexes  can reduce disk I/O operations and consume fewer system resources therefore improving query performance. You might be wondering I'm going back to basics for indexes! So when the database consists filtered indexes, they are very handy to optimize the ...

Got this update from SQLCAT blog on MSDN about new whitepaper on Analysis Services many-to-many dimensions that helps in MDX query performance  optimization steps you need to take care. Many-to-many dimension relationships in SQL Server 2005 Analysis Services (SSAS) enable you to easily model complex source schemas and provide great ...

Parameterizing T-SQL queries are a well-known task such as database programming and best practice in some tasks. It allows query plan reuse and eliminates the need of recompilation for multiple invocations of the same query that simply has different parameter values. However, there are times when parameterized queries might perform poorly, because ...

Are you watching your disk space during the indexes operations where these database objects are stored? Recently I was stumped on a database that is only 5GB had reindexing process failure due to 10% of disk free space was available. For your information you need to consider that one of the reason behind slow indexes process or rebuilding ...

Interesting newbie question on the forums to share. I am selecting a value from a table(column).I do not want any 2 users can select same value at the same time..in other word 1 value only be selected by individual user. in order to do it I am simply using with (xlock) in select statement within begin tran...commit tran. In this way I am ...

There should be no special consideration to perform BACKUP activities within your SQL Server environment. But if you are using FTS with full-text indexes/catalogs then you should be concerned about point-in time recoverability with the backups. You may be aware that from SQL Server 2005 onwardsyou can use the BACKUP ...

UPDATE STATISTICS is very helpful to get the performance by updating the distribution of key values for one or more statistics groups or set of collections in the specified table or indexed view. So how this is handled within the SQL Server, you may be aware that SQL 2000 version uses a counter (rowmodctr) to track row modification  ...