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SQL Server 2005 methods to find table INDEX or Statistics age for better performance

Published 9 January 8 2:55 AM | SSQA.net

Recently we have had problems on one of the database that is used on 24/7 basis where a ETL process to import and export millions of rows on few tables has been taking longer time to finish. Further the SELECT queires on reports are timed-out and smaller...

Filed under: sql server, performance, query, index, process, agent, statistics, timeout, statiscs age

TSQL to obtain a list of current execution of Parallel Plans (MAXDOP)

Published 4 September 7 9:32 AM | SSQA.net

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...

Filed under: sql server, stats, performance, blocking, tuning, query, stored procedure, statistics, parallelism, contribution

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