SQL Server leverages MSDTC for distributed transactions (begin distributed transaction, remote proc trans, etc.)  
I can’t emphasize this patch enough.   There is a MSVC, runtime library patch needed
This blog takes you through the debugging journey, refreshing us on old concepts and
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When we released Always On Availability Groups in SQL Server 2012 as a new
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Database Instant File Initialization was added several SQL Server releases ago.   The instant file
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SQL Server uses WriteFileGather for the vast majority of data file write requests.   The
When creating or growing the database log file (LDF) a byte pattern is stamped. 
  SQL Server 2016 introduces multiple log writer workers to the engine.    For many
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Spatial data is among, if not the fastest, growing storage types for the SQL
The SOS_RWLock is a synchronization primitive used in various places throughout the SQL Server