Web Reference: Optimized locking is a Database Engine feature introduced in 2023 that drastically reduces lock memory, and the number of locks required for concurrent writes. This article is updated to describe the Database Engine behavior with and without optimized locking. Jun 16, 2017 · Learn how SQL Server uses locks to ensure transaction isolation and data integrity. Explore the different lock types, modes and granularity, and how they affect concurrency and performance. I've experimented a bit with sys.dm_tran_locks to identify that there are in fact a number of locks on the table, but how do I identify what is locking them (ie the request element of the sys.dm_tran_locks)?
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