SQL Server Locking and Blocking Tips

Learn about SQL Server Locking and Blocking from these valuable tips, tutorials, how-to's, scripts, and more for SQL Server DBAs.

SubCategory Title Author
Concurrency Compare Repeatable Read and Serializable SQL Server Transaction Isolation Levels Sergey Gigoyan
Concurrency Prevent multiple users from running the same SQL Server stored procedure at the same time Andy Novick
Data Types Optimistic Locking in SQL Server using the ROWVERSION Data Type Armando Prato
Deadlocks Capturing SQL Server Deadlock Information in XML Format Jeremy Kadlec
Deadlocks Finding and troubleshooting SQL Server deadlocks Greg Robidoux
Deadlocks Implementing SQL Server Transaction Retry Logic for failed transactions Daniel Farina
Deadlocks Monitor Deadlocks in SQL Server with system_health Extended Events Sergey Gigoyan
Deadlocks SQL Server Deadlock Priority Configuration Jeremy Kadlec
Deadlocks SQL Server Profiler Graphical Deadlock Chain Jeremy Kadlec
Deadlocks SQL Server UPDATE lock and UPDLOCK Table Hints Sergey Gigoyan
Deadlocks Using a Clustered Index to Solve a SQL Server Deadlock Issue Ben Snaidero
Hints Avoid using NOLOCK on SQL Server UPDATE and DELETE statements Aaron Bertrand
Hints Compare SQL Server NOLOCK and READPAST Table Hints Sergey Gigoyan
Hints Execute SQL Server SELECT command without locking Jeremy Kadlec
Hints Processing Data Queues in SQL Server with READPAST and UPDLOCK Armando Prato
Hints SQL Server NOLOCK Anomalies, Issues and Inconsistencies Aaron Bertrand
Hints Understanding the SQL Server NOLOCK hint Greg Robidoux
Indexing Why is INDEX REORGANIZE and UPDATE STATISTICS causing SQL Server blocking? Ben Snaidero
IO Explanation of SQL Server IO and Latches Derek Colley
Locking Altering lock escalation for SQL Server tables Eli Leiba
Monitoring Configuring Extended Events to find Locking Issues in SQL Server Alejandro Cobar
Monitoring Detect and Automatically Kill Low Priority Blocking Sessions in SQL Server Jeffrey Yao
Monitoring How to identify blocking in SQL Server Nitansh Agarwal
Monitoring Identify the cause of SQL Server blocking Basit Farooq
Overview Demonstrations of Transaction Isolation Levels in SQL Server Derek Colley
Overview Understanding SQL Server Blocking Tim Ford
Overview Understanding SQL Server Locking Tim Ford
Performance Using SQL Server Indexes to Bypass Locks Tal Olier
Scripts Locking and Blocking Scripts in SQL Server 2000 vs SQL Server 2005 Jeremy Kadlec
Scripts Monitoring SQL Server Blocked Sessions with SQLCMD Daniel Farina
Statistics Does updating SQL Server statistics cause blocking Daniel Farina
T-SQL Prevent SQL Server Blocking using Lock_Timeout Bhavesh Patel
Troubleshooting Eliminate False Positive SQL NOLOCK patterns in SQL Server - Part 3 Aaron Bertrand
Troubleshooting Find Blocking Processes Using SQL Server Profiler Ben Snaidero
Troubleshooting Find Problematic SQL NOLOCK Patterns in SQL Server DML Statements - Part 4 Aaron Bertrand
Troubleshooting Finding problematic NOLOCK patterns in SQL Server - Part 1 Aaron Bertrand
Troubleshooting Finding problematic SQL NOLOCK patterns for UPDATE and DELETE - Part 2 Aaron Bertrand
Troubleshooting How to Kill a Blocking Negative SPID in SQL Server Ahmad Yaseen
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