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 Tip 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 Setting SQL Deadlock Priority to Control the Transaction that is Rolled Back 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
No Records Found
CategoryGroup Category (articles)
Analysis Services Analysis Services Administration (31)
Analysis Services Analysis Services Development (95)
Analysis Services Analysis Services Dimensions (16)
Analysis Services Analysis Services Measure Groups (7)
Analysis Services Analysis Services Performance (14)
Analysis Services Analysis Services Security (7)
Analysis Services Analysis Services Tools (1)
Analysis Services Analysis Services Tutorials (6)
Analysis Services Cortana (5)
Analysis Services Performance Point (4)
Business Intelligence Big Data (25)
Business Intelligence Data Warehousing (4)
Cloud Amazon AWS (51)
Cloud Apache Spark (8)
Cloud Azure (146)
Cloud Azure Backup and Restore (25)
Cloud Azure Cosmos DB (13)
Cloud Azure Data Factory (69)
Cloud Azure Databricks (25)
Cloud Azure Integration Services (14)
Cloud Azure SQL Database (45)
Cloud Azure SQL Managed Instance (2)
Cloud Azure Synapse Analytics (38)
Cloud Cloud Strategy (19)
Data Quality Data Quality Services (9)
Data Quality Master Data Services (41)
Database Administration Amazon AWS RDS (1)
Database Administration Availability Groups (78)
Database Administration Backup (78)
Database Administration Central Management Servers (9)
Database Administration Clustering (74)
Database Administration Comparison Data and Objects (14)
Database Administration Compression (22)
Database Administration Contained Databases (4)
Database Administration Containers (12)
Database Administration Database Administration (196)
Database Administration Database Configurations (18)
Database Administration Database Console Commands DBCCs (25)
Database Administration Database Mail (18)
Database Administration Database Mirroring (33)
Database Administration DBA Best Practices (39)
Database Administration Dedicated Administrator Connection (4)
Database Administration Deprecated Features (5)
Database Administration DevOps (34)
Database Administration Disaster Recovery (23)
Database Administration Error Logs (11)
Database Administration Express Edition (16)
Database Administration Extended Events (22)
Database Administration FILESTREAM (9)
Database Administration Fragmentation and Index Maintenance (27)
Database Administration Google Cloud (3)
Database Administration Hardware (14)
Database Administration High Availability (3)
Database Administration Indexing (87)
Database Administration Install and Uninstall (32)
Database Administration Licensing (4)
Database Administration Linked Servers (18)
Database Administration Locking and Blocking (39)
Database Administration Log Shipping (18)
Database Administration Maintenance (34)
Database Administration Monitoring (116)
Database Administration Other Database Platforms (86)
Database Administration Partitioning (17)
Database Administration Performance Data Warehouse (4)
Database Administration Performance Tuning (123)
Database Administration Policy Based Management (29)
Database Administration PowerShell (130)
Database Administration Profiler and Trace (20)
Database Administration Query Store (7)
Database Administration Recovery Models (4)
Database Administration Replication (75)
Database Administration Resource Governor (5)
Database Administration Restore (42)
Database Administration SQL Server 2016 (100)
Database Administration SQL Server 2017 (44)
Database Administration SQL Server 2019 (20)
Database Administration SQL Server 2022 (19)
Database Administration SQL Server Configurations (75)
Database Administration SQL Server on Linux (76)
Database Administration StreamInsight (2)
Database Administration System Databases (31)
Database Administration Upgrades and Migrations (54)
Database Administration Virtualization (25)
Database Administration Windows Internal Database (1)
Database Development Application Development (39)
Database Development Azure Functions (7)
Database Development Change Data Capture (15)
Database Development Common Runtime Language (13)
Database Development Common Table Expressions (3)
Database Development Constraints (21)
Database Development Data Cleansing for Validation (2)
Database Development Data Science (3)
Database Development Data Types (18)
Database Development Database Design (76)
Database Development Dates (53)
Database Development Debugging (4)
Database Development Dynamic Management Views and Functions (33)
Database Development Dynamic SQL (7)
Database Development Entity Framework (13)
Database Development Error Handling (10)
Database Development Full Text Search (21)
Database Development Functions System (71)
Database Development Functions User Defined UDF (41)
Database Development Identities (17)
Database Development Import and Export (77)
Database Development In Memory OLTP (32)
Database Development JOIN Tables (21)
Database Development Language Integrated Query LINQ (7)
Database Development Microsoft Access Integration (8)
Database Development Microsoft Excel Integration (40)
Database Development Microsoft Flow (1)
Database Development Paging (5)
Database Development Python (65)
Database Development Query Optimization (14)
Database Development Query Plans (20)
Database Development R Language (11)
Database Development Scripts (35)
Database Development Service Broker (11)
Database Development Spatial Data Storage (9)
Database Development SQL Injection (5)
Database Development SQL Server Management Objects SMO (3)
Database Development Stored Procedures (29)
Database Development Synonyms (5)
Database Development Table Valued Parameters (4)
Database Development Temp Tables (10)
Database Development Temporal Tables (13)
Database Development Testing (31)
Database Development Transactions (9)
Database Development Triggers (45)
Database Development TSQL (350)
Database Development User Defined Type UDT (3)
Database Development Views (15)
Database Development XML (14)
Integration Services Data Transformation Services (5)
Integration Services Integration Services Administration (10)
Integration Services Integration Services Analysis Services Tasks (5)
Integration Services Integration Services Best Practices (12)
Integration Services Integration Services Configuration Options (22)
Integration Services Integration Services Connection Managers (5)
Integration Services Integration Services Control Flow Transformations (14)
Integration Services Integration Services Data Flow Transformations (19)
Integration Services Integration Services Development (110)
Integration Services Integration Services Email (3)
Integration Services Integration Services Error Handling (8)
Integration Services Integration Services Excel (14)
Integration Services Integration Services Execute Package Options (8)
Integration Services Integration Services Import and Export Wizard (2)
Integration Services Integration Services NULL Management (4)
Integration Services Integration Services Oracle (4)
Integration Services Integration Services Performance (12)
Integration Services Integration Services Security (7)
Integration Services Integration Services Upgrade (4)
Power Platform Power Apps (19)
Power Platform Power BI (144)
Power Platform Power BI Charts (50)
Power Platform Power BI Formatting (15)
Professional Development Professional Development Books (3)
Professional Development Professional Development Branding (14)
Professional Development Professional Development Career (18)
Professional Development Professional Development Career Planning (16)
Professional Development Professional Development Career Transition (4)
Professional Development Professional Development Certifications (49)
Professional Development Professional Development Community (16)
Professional Development Professional Development Conferences (2)
Professional Development Professional Development Interview Questions BI (18)
Professional Development Professional Development Interview Questions DBA (23)
Professional Development Professional Development Interview Questions Developer (9)
Professional Development Professional Development Interviewing (38)
Professional Development Professional Development Job Search (17)
Professional Development Professional Development Management (10)
Professional Development Professional Development Recruiters (6)
Professional Development Professional Development Resume (13)
Professional Development Professional Development Skills Development (18)
Reporting Services Reporting Services Administration (19)
Reporting Services Reporting Services Analysis Services (4)
Reporting Services Reporting Services Best Practices (6)
Reporting Services Reporting Services Charts (25)
Reporting Services Reporting Services Configuration (10)
Reporting Services Reporting Services Custom Report (2)
Reporting Services Reporting Services Dashboard (1)
Reporting Services Reporting Services Data Sources (10)
Reporting Services Reporting Services Development (38)
Reporting Services Reporting Services Drill Through (4)
Reporting Services Reporting Services Dynamic Reports (11)
Reporting Services Reporting Services Filtering (3)
Reporting Services Reporting Services Formatting (26)
Reporting Services Reporting Services Functions (5)
Reporting Services Reporting Services Images (2)
Reporting Services Reporting Services Installation (9)
Reporting Services Reporting Services KPI (5)
Reporting Services Reporting Services Maps (4)
Reporting Services Reporting Services Migration (5)
Reporting Services Reporting Services Monitoring (5)
Reporting Services Reporting Services Network Load Balancing (4)
Reporting Services Reporting Services Overview (5)
Reporting Services Reporting Services Parameters (15)
Reporting Services Reporting Services Performance (6)
Reporting Services Reporting Services Report Builder (9)
Reporting Services Reporting Services Report Models (1)
Reporting Services Reporting Services Security (8)
Reporting Services Reporting Services SharePoint (1)
Reporting Services Reporting Services Subreports (4)
Reporting Services Reporting Services Tutorials (1)
Security Auditing and Compliance (45)
Security Encryption (32)
Security Security (197)
Security Surface Area Configuration Manager (4)
SharePoint SharePoint (131)
SharePoint SharePoint Administration (46)
SharePoint SharePoint Configuration (27)
SharePoint Sharepoint Design (46)
SharePoint SharePoint Document Management (20)
Tools Azure Data Studio (17)
Tools SQL Operations Studio (11)
Tools SQL Server Agent (93)
Tools SQL Server Management Studio (77)
Tools SQL Server Management Studio Configuration (22)
Tools SQL Server Management Studio Shortcuts (9)
Tools Tools (33)










get free sql tips
agree to terms