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SQL Server 2005 detect DAC session with TSQL
09 May 08 01:11 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
02 May 08 04:32 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 '('.
17 March 08 04:39 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?
14 March 08 04:16 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
11 March 08 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
10 March 08 03:00 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.
07 March 08 04:54 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!
06 March 08 03:17 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
12 February 08 02:27 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?
04 February 08 08:06 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?
01 February 08 06:30 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
14 January 08 02:22 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

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