Oracle XML Database (XDB) Installation on 12c - XDB invalid status after fresh installation/upgrade
(Doc ID 2222780.1)
Last updated on MARCH 12, 2021
Applies to:Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup 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 220.127.116.11. If the compatibility is less than 18.104.22.168 then an error is raised when you try to use Oracle XML DB.
(Doc ID 1292089.1) Master Note for Oracle XML Database (XDB) Install / Deinstall
Deinstall/reinstall of XDB in 12c is not supported.
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