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Oracle XML Database (XDB) Installation on 12c - XDB invalid status after fresh installation/upgrade (Doc ID 2222780.1)

Last updated on FEBRUARY 23, 2023

Applies to:

Oracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 12cBETA1 to 12.2 BETA1 [Release 12.1 to 12.2]
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.


On 12c, Oracle XML DB is now a mandatory component of Oracle Database.

You cannot uninstall it, and if Oracle XML DB is not already installed in your database prior to an upgrade to Oracle Database 12c or later, then it is automatically installed in tablespace SYSAUX during the upgrade.

If Oracle XML DB has been automatically installed, and if you want to use Oracle XML DB, then after the upgrade operation, you must set the database compatibility to at least If the compatibility is less than then an error is raised when you try to use Oracle XML DB.

(Doc ID 1292089.1) Primary Note for Oracle XML Database (XDB) Install / Deinstall



 Deinstall/reinstall of XDB in 12c is not supported.


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