Updating Snasphot In Oracle Applications
Snapshot is a view of the system at specific time. In Oracle applications, Patch Wizard uses Global snapshot to determine which patches have been applied to the system and Autopatch uses APPL_TOP snapshot to determine what patches have been applied to that APPL_TOP. Snapshot actually records the list of files,file versions and bug fixes. Both snapshot are views, they are created once during installation and then updated during patching. APPL_TOP snapshot information is stored in the AD_SNAPSHOTS, AD_SNAPSHOT_FILES, and AD_SNAPSHOT_BUGFIXES tables
How to update snapshot?(like after upgrade)
Run adadmin > select Maintain Application files > Maintain Snaphot information > Update current snapshot.
Note: when we update the APPL_TOP snapshot, the Global snapshot is updated at the same time. Also from AD.I the default functionality of checking for prereq patches has been disabled. You can turn on prereq checking by adding options=prereq to the AutoPatch start command.
Snapshot is a view of the system at specific time. In Oracle applications, Patch Wizard uses Global snapshot to determine which patches have been applied to the system and Autopatch uses APPL_TOP snapshot to determine what patches have been applied to that APPL_TOP. Snapshot actually records the list of files,file versions and bug fixes. Both snapshot are views, they are created once during installation and then updated during patching. APPL_TOP snapshot information is stored in the AD_SNAPSHOTS, AD_SNAPSHOT_FILES, and AD_SNAPSHOT_BUGFIXES tables
How to update snapshot?(like after upgrade)
Run adadmin > select Maintain Application files > Maintain Snaphot information > Update current snapshot.
Note: when we update the APPL_TOP snapshot, the Global snapshot is updated at the same time. Also from AD.I the default functionality of checking for prereq patches has been disabled. You can turn on prereq checking by adding options=prereq to the AutoPatch start command.
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