Determining the last time your SQL Server instance was restarted

The following query will show the last time your SQL Server instance was started. I used this just today for planning purposes for doing SQL Server updates on a server that I had not ever restarted. I wanted to get an idea of how long it had been running before doing any work.

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<p>SELECT sqlserver_start_time</p>
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<p>FROM sys.dm_os_sys_info;</p>
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This sample has been tested on SQL Server 2008 through SQL Server 2019. I did confirm that it does not work on SQL Server 2005, but that is not too much of a surprise. Here are some samples of what the output looks like.

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