Query machine name of the sql server instance - the hard or the harder way

I was at a client where they are using non-Microsoft clustering technology to achieve the high availability of SQL Server instances....

Powershell script to find new servers in an AD domain

This is actually part of a process I am creating to automatically discover SQL Server instances in an Active Directory domain. So there...

Do you have rarely used indexes that are hurting performance of writes?

We know that indexes are necessary for query performance but comes with overhead during DML operations. Usually, the overhead is worth the performance gain we get out of them....

Using Extended Events To Capture Backup and Restore Progress

 If you are running a DATABASE BACKUP or RESTORE command manually, SQL Server will show you the progress at a specified % completion interval. For the BACKUP, the default is...

Find identical duplicate indexes - Revised

I realized yesterday I posted this quickly after testing only against SQL 2016 version. So I decided to also test against SQL 2014 and 2012 versions to make sure...

Find identical duplicate indexes

The purpose of this query is to find identical duplicate non-clustered indexes i.e. indexes on same table with same columns in same order. If you have a need to...

Capture Trend in Dead Lock Occurances

Deadlocks are usually detected and resolved automatically by SQL Server by killing one of the SPIDs involved in it.  You may have an alert setup to notify you and/or users...

Do you have out of date index statistics?

As you may all know, having up to date index statistics is the key to make sure the query optimizer can choose the most optimal execution plan for any...

Generate script to recreate indexes

For me, this particular code to generate a script to recreate indexes has more practical use in a replication environment. 

For example, the default replication setting is to exclude the...

DMV - Active queries sorted by CPU usage

select
           s.session_id,

           db_name(s.database_id) DB,

           s.login_time,

           s.host_name,

           s.program_name,

           s.login_name,

           s.cpu_time,

           s.memory_usage,

           s.total_scheduled_time,

           s.total_elapsed_time,

           s.endpoint_id,

           s.last_request_start_time,

           s.last_request_end_time,

           s.reads,

           s.writes,

           s.logical_reads,

           s.is_user_process,

           s.row_count,

           s.open_transaction_count,

           t.text as [command]

from sys.dm_exec_sessions s

inner join sys.dm_exec_connections c...