SQL SERVER – How to Get List of SQL Server Instances Installed on a Machine Via T-SQL?

Earlier last year, I had posted a very interesting blog post which still today gets quite a lots of interest is SQL SERVER – How to Get List of SQL Server Instances Installed on a Machine?. In the recent Comprehensive Database Performance Health Check, the client wanted to get this one done by T-SQL only. I had replied to them via email but never got around to blog about it here.

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SQL SERVER – DBCC CHECKDB Waiting for PREEMPTIVE_OS_DEVICEIOCONTROL

As you might already know that I am a SQL Server Performance Tuning Expert who also acts as a “on-demand consultant” for many organizations across the world who have performance tuning or any other issue related to SQL Server. Once I was working with one of my clients and their DBA asked a question. In this blog, we would learn about possible ways to handle a situation where DBCC CHECKDB is indefinitely waiting for PREEMPTIVE_OS_DEVICEIOCONTROL.

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