Blocking and deadlocks are two common issues that can slow down or disrupt SQL Server performance, but they’re very different problems. In this video, we explain what causes blocking—when one query holds a lock and others have to wait—and how it differs from a deadlock, where two or more queries are stuck waiting on each other and SQL Server is forced to pick a victim to kill. You'll learn how to identify, prevent, and resolve both blocking and deadlocks in your environment.
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