《10.2.0.x升级到10.2.0.5.5》的评论 https://www.xifenfei.com/2011/11/10-2-0-x%e5%8d%87%e7%ba%a7%e5%88%b010-2-0-5-5.html 提供7*24专业数据库(Oracle,SQL Server,MySQL,PostgreSQL等)恢复和技术支持@Tel:17813235971 Thu, 11 Dec 2025 02:46:14 +0000 hourly 1 作者：惜分飞 https://www.xifenfei.com/2011/11/10-2-0-x%e5%8d%87%e7%ba%a7%e5%88%b010-2-0-5-5.html/comment-page-1#comment-706 Wed, 07 Mar 2012 11:20:26 +0000 https://www.xifenfei.com/?p=1741#comment-706 DBA_REGISTRY_HISTORY provides information about upgrades, downgrades, and critical patch updates that have been performed on the database.

ACTION_TIME	The time the upgrade, downgrade, or patch action was completed
ACTION		The specific action (for example, UPGRADE or DOWNGRADE)
NAMESPACE	The namespace of the components affected (for example, SERVER)
VERSION		The version number of the server (for example, 10.2.0.1.0)
ID	        The identification number of the Critical Patch Update
COMMENTS	Additional comments about the action taken

SQL> select ACTION_TIME,version,COMMENTS from dba_registry_history;

ACTION_TIME                    VERSION     COMMENTS
------------------------------ ----------- ------------------------------
02-NOV-11 05.24.59.162314 PM               view recompilation
02-NOV-11 05.25.16.106489 PM   10.2.0.5.0  Upgraded from 10.2.0.4.0
03-NOV-11 02.06.27.836439 PM   10.2.0.5    PSU 10.2.0.5.5
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