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SQL Server 2005 Partitioned Tables and Indexes - learning curve

Published 12 March 8 3:1 AM | SSQA.net

When do you need data partitioning? The data you see in relational database may need such a strategy if the volume is huge, for instance the data to store event-log information having the schema such as: [Id] INT (make this primary key clustered), [Unit_Id...

Filed under: sql server, performance, indexes, data, backup, bi, database, statistics, partition, monitoring, strategy, data warehouse

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

FIX: The merge agent does not use a specified custom user update to handle conflicting UPDATE statements in SQL Server 2005

Published 11 September 7 4:37 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Standard Edition Notification Contents: New and All Modifications FIX: The merge agent does not use a specified custom user update to handle conflicting...

Filed under: sql server, performance, update, replication, kba, statistics, conflict

XLOCK Hint is ignored even though specifying explictly?

Published 11 September 7 5:21 AM | SSQA.net

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...

Filed under: sql server, performance, optimization, hints, statistics, locking, results, xlock

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

DTS package, how will optimizer treats the transactions?

Published 2 August 7 7:52 AM | SSQA.net

With the SQL Server 2000 DTS has very good capability of treating the huge processes as transactions, let's assume these parameters: DTS Package with "Use Transactions" and "Commit on successful package completion" boxes checked...

Filed under: performance, dts, table, statistics, transactions, join

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

How do I find all the statistics and statistics columns on a specified object?

Published 16 July 7 7:46 AM | SSQA.net

USE <database_name>; GO SELECT s.name AS statistics_name ,c.name AS column_name ,sc.stats_column_id FROM sys.stats AS s INNER JOIN sys.stats_columns AS sc ON s.object_id = sc.object_id AND s.stats_id = sc.stats_id INNER JOIN sys.columns AS c ON...

Filed under: sql server, performance, indexes, table, tsql, statistics, columns