Web Reference: Interactive tool that shows what SQL operations lock out each other. Lock problems and how to identify and resolve them. Reviews of popular monitoring tools, as well as some homegrown solutions. There are a few topics that I haven't gotten around to documenting yet, but I plan to add them soon: Feb 26, 2026 · PostgreSQL provides various lock modes to control concurrent access to data in tables. These modes can be used for application-controlled locking in situations where MVCC does not give the desired behavior. Jul 23, 2025 · In this article, we will explain what locks are in PostgreSQL, the types of locks, and how to view and avoid locks to maintain optimal database performance. What is a Lock in PostgreSQL?
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