Master Note: Locks, Enqueues and Deadlocks
(Doc ID 1392319.1)
Last updated on AUGUST 04, 2018
Oracle Database - Personal Edition - Version 188.8.131.52 and later Oracle Database - Enterprise Edition - Version 184.108.40.206 and later Oracle Database - Standard Edition - Version 220.127.116.11 and later Information in this document applies to any platform.
This document provides an overview reference to content that pertains to the resolution of locks, enqueues and deadlocks affecting the database.
Whole Database "Locking up" or Hanging
If the whole database is "Locking up" or Hanging then this typically is not cause by lock contention and needs to be handled differently. If the database encounters what looks like a hang or a spin conditions refer to the following:
<Document 452358.1> How to Collect Diagnostics for Database Hanging Issues
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