DBA Tips Archive for Oracle
Oracle Database Shutdown Stages
by Jeff Hunter, Sr. Database Administrator
What happens during the different Oracle shutdown options? This is taken from Oracle Metalinks, Note:110704.1.
Database Shutdown options:
- NORMAL - No new connections, waits for all users to disconnect, closes and dismounts database before instance shutdown, no instance recovery required upon next db startup.
- IMMEDIATE - Rolls back all current uncommitted txns and disconnects users, closes and dismounts database before instance shutdown, no instance recovery required upon next db startup.
- TRANSACTIONAL - No new connections, users disconnected when their current txn is completed, when all "current txns are complete shutdown immediate is executed.
- ABORT - All txns are terminated, no txns are rolled back, instance terminated without closing the data files, next startup will require instance recovery.
Copyright (c) 1998-2017 Jeffrey M. Hunter. All rights reserved.
All articles, scripts and material located at the Internet address of http://www.idevelopment.info is the copyright of Jeffrey M. Hunter and is protected under copyright laws of the United States. This document may not be hosted on any other site without my express, prior, written permission. Application to host any of the material elsewhere can be made by contacting me at email@example.com.
I have made every effort and taken great care in making sure that the material included on my web site is technically accurate, but I disclaim any and all responsibility for any loss, damage or destruction of data or any other property which may arise from relying on it. I will in no case be liable for any monetary damages arising from such loss, damage or destruction.