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    Guided course · Data Access in .NET

    SQL Server for .NET Developers: back to the course

    Module 3 · Transactions and Concurrency · Lesson 10 of 15

    Locking, Blocking and Deadlocks: Reading sys.dm_tran_locks, Blocking Chains and Deadlock Graphs

    16 min readTechInterviewNotes Editorial TeamUpdated 13 Oct 2026Save

    This lesson comes with Full Access

    Its text, video and cheat sheet open with Full Access. This course's free lessons open without an account. Start with How SQL Server Stores a Table: Heaps, Clustered Indexes and B+ Trees.

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