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SQL Server get current executing statements - SP_WHO or SP_WHO2 or sys.dm_exec_requests

Published 30 July 8 11:43 AM | SSQA.net

As a SQL Server user or DBAs using SP_WHO or undocumented stored procedure SP_WHO2 is a common occurrence. For this there are times when you will need to run sp_who on your SQL Server to figure out who is on and what are they doing. The output is quite...

Filed under: sql server, dmv, users, sp_who, statement, system catalog

TSQL to get TOP 10 queries that are using I/O generation, SQL Server 2005

Published 14 July 8 5:26 AM | SSQA.net

DMVs are most helpful to find instant information on SQL instance without causing further delays, in any performance degradation time you can execute following TSQL to get top 10 queries that are generating lots of I/O on the server: SELECT TOP 10 total_logical_reads...

Filed under: sql server, dmv, tsql, sysindexes, query plan, querystats

SQL Server - Precision Performance techniques using RML Utilities

Published 9 June 8 7:50 AM | SSQA.net

As a DBA, you probably often find yourself striving or struggling to improve the performance of SQL Server instance queries (might be smaller or complex ones). By default in order to get further analysis on the system's performance you need to perform...

Filed under: sql server, performance, dmv, sqldiag, utilities, performance monitoring, sqlcat, pssdiag, sqlnexus, rml

SQL Server 2005 DMV - quick information to find resource allocation & DDL bottleneck

Published 9 June 8 3:29 AM | SSQA.net

Initially I preferred to put this blog post within Performance tuning blog section here, but as it relates to the TSQL script thought this is best place to go. Anyways, if you have a performance problem the foremost option is to find whether the server...

Filed under: sql server, performance, dmv, tsql, contention, ddl, bottleneck

SQL Server Performance issues with Fragmentation and heavy usage of TEMPDB?

Published 15 May 8 3:59 AM | SSQA.net

Whenever a performance issue occurs on the SQL Server database best option for diagnosing and troubleshooting common problems by using publicly available tools such as Profiler, System Monitor (Perfmon), and Dynamic Management Views (DMVs) in SQL Server...

Filed under: sql server, performance, dmv, best practices, tempdb, monitoring, benchmarking, performance monitoring

SQL Server 2005 detect DAC session with TSQL

Published 9 May 8 1:11 PM | SSQA.net

SQL Server 2005 has introduce a secret-door for Admins to identify and resolve any connect lockout issues within your database instance, as on http://sqlserver-qa.net/blogs/tools/archive/2007/08/04/dedicated-administrator-console-dac-saved-an-important...

Filed under: sql server, security, dmv, tsql, dac, session

SQL Server: Quick way to find Active & idle connections on a SQL instance

Published 2 May 8 4:32 AM | SSQA.net

Using SQL Server 2005 you can take help of DMV - sys.dm_exec_connections that will give server-level information about the connections. In the olden days usage of sysprocesses system table used to be heavy and same approach can be achieved by using system...

Filed under: sql server, dmv, transaction, connections, tsql, sysprocesses, active

Error while executing DMV - Msg 102, Level 15, State 1, Line 3 Incorrect syntax near '('.

Published 17 March 8 4:39 AM | SSQA.net

DMV - has got very special place for DBAs since the inception of SQL Server 2005. In this case one of the thme is very important to find out the index statistics within your database, such as sys.dm_db_index_physical_stats statement. Recently one of the...

Filed under: sql server, blocking, dmv, version, 2000, pack, 2005, tsql, errorr, tablels, incorrect syntax

SQL Server 2005 PERFMON counter spikes in Transactions/sec and Buffer Cache Hit ratio, what does it say?

Published 14 March 8 4:16 AM | SSQA.net

Recently I was involved in one of the Performance Audit exercise at a client's place where they complain about Server CPU is always HIGH and what they have observed is even the physical disk where TEMPDB is located has been used extensively, as they...

Filed under: sql server, perfmon, performance, dmv, cache, buffer, sysmon, tempdb, monitoring, temp tables, worktables, workfiles, ratio

Get SQL Server Clustering information with DMVs and SELECT statements

Published 11 March 8 12:16 PM | SSQA.net

Few counters and gotchas for you to look for when you are installing SQL Server clusters, also using SELECT statements & DMVs to get SQL instance information. Such as: Do not install SQL Server on a compressed drive, by default the installation will...

Filed under: sql server, dmv, best practices, cluster, clustering, select, virtual server, nodes, shared drives, serverproperty

TSQL to get clustered index information in SQL Server 2005

Published 10 March 8 3:0 AM | SSQA.net

Recently within a supportal case with CSS we have been given the following TSQL to get information on indexes, where I have modified a bit to get 'Clustered' index information alone that was helpful to see which tables lack of clustered index...

Filed under: sql server, dmv, tsql, schema, information schema, declare, clustered index

SQL Server error: messages are appearing when the working set of SQL Server 2005 process reaches 50 percent of the memory that is committed to the process.

Published 7 March 8 4:54 AM | SSQA.net

Have you seen the above message within the SQL Server error logs? If not then no need to worry and make sure to continue your performance monitoring tasks. So when to be concerned! It is evident that SQL Server 2005 component handles memory differently...

Filed under: sql server, performance, memory, dmv, windows, 2000, 2005, awe, 64 bit, monitoring, worker threads, paging out, buffers, verison

SQL Server Audit Trace - things you need to take care!

Published 6 March 8 3:17 AM | SSQA.net

Audit trace is very helpful when you want to monitor a particular processes on your SQL Server, even for the successful logins and recent users activity on the databsaes. But the default trace would have many columns with the information and you need...

Filed under: SOX, sql server, microsoft, solution, dmv, trace, audit, tsql, trace flag, c2

TSQL to get current executing statements - SQL Server 2005

Published 12 February 8 2:27 PM | SSQA.net

Using SP_WHO or SP_WHO2 is a common way to get list of executing processes currently on the server, within SQL Server 2005 you could take advantage of DMV that lists currently-executing statements. select r.session_id ,status ,substring(qt.text,r.statement_start_offset...

Filed under: sql server, dmv, cache, sp_who, cpu, tsql, queue, execution, runnable

SQL Server 2005 DMV - how it can help to consider whether index is useful or not?

Published 4 February 8 8:6 AM | SSQA.net

When it comes to performance, for a DBA indexes are the first one to come to mind in order to fine tune the tasks on the database. In this series we have already covered this huge topic of indexing and how best you can make use of Dynamic Management Views...

Filed under: sql server, performance, indexes, dmv, dba, performance monitoring, index plan

SQL Server 2005 TSQL to obtain buffers by object (table, index) in the buffer cache?

Published 1 February 8 6:30 AM | SSQA.net

As a programmer interacting with SQL Server's cache is not often needed, but when you do need to determine what is going on with the cache, or you simply need to flush the execution plans or data pages to tune a query, you now have the means to do...

Filed under: sql server, indexes, memory, dmv, cache, buffer, table, tsql, configuration

SQL Server Query Performance - think about page split and fragmentation, measures to reduce the behaviour and best use of dm_db_index_physical_stats DMV

Published 14 January 8 2:22 AM | SSQA.net

It is an universal truth in the database field that due to the fragmentation and page split the performance will be affected even for a simple [ SELECT <ColumnName> from.... ] type of query. So what you need to check or take action in terms of DBA...

Filed under: sql server, performance, indexes, maintenance plan, dmv, dba, best practice, performance monitoring, sys.dm_db_index_physical_stats, measures

TSQL to get a quick information on detailed distribution of memory allocated

Published 10 January 8 3:4 PM | SSQA.net

By design the components that are aware of the SQL Server memory management mechanisms use the buffer pool for small memory allocations. If the allocation is bigger than 8 KB, these components use memory outside of the buffer pool through the multi-page...

Filed under: sql server, management, memory, dmv, tsql, allocated, distribution, memory_clerk

How to monitor transaction activity between the databases?

Published 10 January 8 4:23 AM | SSQA.net

Recently I have been through interesting forum post on SQL Server performance website that a user asking how to monitor transaction activity between the databases without using a third party tool. Until SQL 2000 version it is not that easy to get more...

Filed under: sql server, databases, dmv, i/o, tsql, statistics, activity

Scottish Area SQL Server User Group next meeting 13th February 2008

Published 10 January 8 2:4 AM | SSQA.net

Scottish Area SQL Server User Group on conjunction with Scottish Developers: Wednesday 13th February 18:30 - 21:00 : Edinburgh Speaker: Colin Angus Mackay Where’s my data? An introduction to Spatial Queries in SQL Server 2008 Colin Angus Mackay is a software...

Filed under: sql server, mvp, dmv, 2008, spatial, conference, scotland, edinburgh, usergroup