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Usage and good practices with UPDATE STATISTICS feature in SQL 2005

Published 23 July 7 5:39 AM | SSQA.net

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...

Filed under: performance, security, dmv, query, optimization, tsql, statistics, update statistics

Why query execution timeout happens and find queries that have granted memory or waiting on memory?

Published 23 July 7 4:44 AM | SSQA.net

Have you ever identified the reasons for why and how does a query execution timeout happens within your SQL Server environment. For the beginners I would like to explain that b efore executing a query, SQL Server estimates how much memory it needs to...

Filed under: sql server, performance, memory, dmv, query, notification, execution plan, bad, long running

Get a blocking list for the objects & indexes using DMV

Published 13 June 7 9:44 AM | SSQA.net

Yet another help from DMV I would like to share here, say on a SQL Instance you are getting low-level I/O and blocking intermittently. For the I/O issues using SYSMON (PERFMON) is ideal to get more information during the busy times and low-usage times...

Filed under: sql server, performance, indexes, dmv, query, object