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FIX: Error message when you run a DELETE statement from a table that contains a nonclustered primary key in SQL Server 2005: "Internal Query Processor Error: The query processor could not produce a query plan"

Published 23 June 8 8:30 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise Edition, SQL Server 2005 Standard Edition & SQL Server 2005 Enterprise X64 Edition Notification Contents: New FIX: Error message when...

Filed under: sql server, query, kba, processor, delete, query plan, statement, internal

A query that references a nondeterministic user-defined function may run slower in SQL Server 2005 than in SQL Server 2000

Published 12 May 8 1:43 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise Edition & SQL Server 2005 Standard Edition Notification Contents: New and Major Modifications A query that references a nondeterministic...

Filed under: sql server, performance, query, kba, 2000, 2005, slow

Query Execution Plans security and new feature within SQL Server 2008 Management Studio

Published 4 March 8 2:4 AM | SSQA.net

If there is any performance issue within your queries then looking at query execution plan is the first step towards assessing the loss, you may be aware that execution plans of queries and queries on partitioned tables and indexes can be examined by...

Filed under: sql server, performance, ssms, query, users, execution plan, monitoring, new features, .xml, plan cache, document, .sqlplan

See how Resource Governor can help you 'in action' in managing SQL Server resources?

Published 8 February 8 2:11 AM | SSQA.net

As you may be aware about new features within SQL Server 2008, one of the them is Resource Governor which is a feature than you can use to manage SQL Server workload and system resource consumption. It will enable you to specify limits on the amount of...

Filed under: application, sql server, management, blogs, security, query, 2008, resource governor

SQL Server Performance - what it takes for a newbie DBA in resolving performance issues?

Published 5 February 8 2:57 AM | SSQA.net

SQL Server Performance Tuning, sounds familiar on a DBA perspective and though it sounds like an easy words but when you start analyzing the problem it is far deeper inside. When you refer to the web resources such as forums/newsgroups then a common question...

Filed under: sql server, performance, blogs, blocking, security, query, best practice, index plan, sql server central, newsgroups, forums

SQL Server Analysis Services MDX Query performance monitoring - highlights

Published 29 January 8 3:27 AM | SSQA.net

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...

Filed under: sql server, performance, mdx, query, best practices, tsql, monitoring, Analysis Services, baseline, benchmarking

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 query performance is slower when you run the query in SQL Server 2005 than when you run the query in SQL Server 2000

Published 22 October 7 6:13 AM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise Edition & SQL Server 2005 Standard Edition Notification Contents: New and Major Modifications FIX: The query performance is slower when...

Filed under: sql server, query, kba, slow, query performance

FIX: A query that has many outer joins takes a long time to compile in SQL Server 2005

Published 17 October 7 4:13 AM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise X64 Edition, SQL Server 2005 Enterprise Edition & SQL Server 2005 Enterprise Edition Notification Contents: New and All Modifications...

Filed under: sql server, performance, query, kba, condition, outer join, long time

TSQL to list the most used query plans

Published 28 September 7 3:12 AM | SSQA.net

select TOP 100 objtype, p.size_in_bytes, LEFT([sql].[text], 100) as [text] from sys.dm_exec_cached_plans p outer apply sys.dm_exec_sql_text (p.plan_handle) sql ORDER BY usecounts DESC...( read more ) Read More...

Filed under: sql server, query, plan, tsql, execution, cached

FIX: On a computer that is running SQL Server 2005 and that has multiple processors, you may receive incorrect results when you run a query that contains an inner join

Published 25 September 7 1:36 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise Edition, SQL Server 2005 Standard Edition & SQL Server 2005 Enterprise X64 Edition Notification Contents: New and Major Modifications...

Filed under: sql server, query, kba, incorrect, multi-processor, running, results

TSQL to create a TraceCollector with a default collection set

Published 24 September 7 5:45 AM | SSQA.net

use msdb declare @schedule_uid uniqueidentifier select @schedule_uid=(select schedule_uid from msdb..sysschedules where name=N'CollectorSchedule_Every_15min') declare @collection_set_id int; exec dbo.sp_syscollector_create_collection_set @name...

Filed under: sql server, profiler, trace, query, tsql, collation, collecter, collection, msdb

FIX: An access violation may occur when you run a query that uses a hash join hint in the x64 version of SQL Server 2005 Service Pack 2

Published 22 September 7 7:4 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise X64 Edition, SQL Server 2005 Enterprise Edition & SQL Server 2005 Standard Edition Notification Contents: New and All Modifications FIX...

Filed under: sql server, query, kba, service pack2, hints, access violation, hash join

High CPU issues that are specific to SQL Server 2000 installations and few with SQL 2005 too!

Published 20 September 7 10:40 AM | SSQA.net

Here comes another Frequently Asked Question (FAQ) on the forums and Frequently Posted Blog (FPB) here about high cpu issues on the SQL Server 2000 instances. Looking at high cpu spiks and performace issues is a common problem in all SQL Server installations...

Filed under: sql server, performance, databases, blogs, blocking, query, kba, cpu, execution plan, backups, resources, high cpu, FAQ

Another Best Practices article: Identifying and Resolving MDX Query Performance Bottlenecks

Published 5 September 7 4:34 AM | SSQA.net

Best Practices are good enough to follow, but simply do not read and digest. Try to implement them within your environment to keep up the performance. Similary there are many things involved within the SQL Server 2005 Analysis Services such as MDX queries...

Filed under: sql server, performance, mdx, tuning, ssas, query, best practices, tsql

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

Triggers within CLR - advantage over TSQL

Published 4 September 7 4:10 AM | SSQA.net

You may be aware the DML and DDL triggers can be nested up to 32 levels, because any reference to such trigger code counts as one-level in the nesting limit. Even though it is possible to control whether AFTER triggers can be nested through the nested...

Filed under: sql server, performance, query, clr, trigger, table, tsql, recursive, cte

Performance - check whether it is affecting application or system, don't blame SQL Server alone

Published 3 September 7 9:42 AM | SSQA.net

Its a general assumption that whenever performance is degraded, the finger will be pointed to SQL Server, pretty easy eh!? If you look at any of the SQL Server related forums then 3 in 10 questions asks same question and nothing but shove blame on SQL...

Filed under: application, sql server, performance, blocking, security, query, table, wait, queue, high cpu, oltp

FIX: Error message when you run a query that selects many columns and that joins many tables in SQL Server 2005 Service Pack 2: "The query processor could not produce a query plan"

Published 30 August 7 1:42 PM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Enterprise X64 Edition, SQL Server 2005 Standard Edition & SQL Server 2005 Enterprise Edition Notification Contents: New and All Modifications FIX...

Filed under: sql server, query, plan, kba, service pack2, processor

FIX: The performance of a query that performs an insert operation or an update operation is much slower in SQL Server 2005 SP2 than in earlier versions of SQL Server 2005

Published 30 August 7 5:0 AM | SSQA.net

The following pages were recently modified. Source: Knowledge Base Product: Microsoft SQL Server 2005 Standard Edition, SQL Server 2005 Enterprise X64 Edition & SQL Server 2005 Enterprise Edition Notification Contents: New and All Modifications FIX...

Filed under: sql server, performance, update, query, kba, service pack, operation