Upgrading or Installing XDB could result in data loss if XDB_INSTALLATION_TRIGGER exists
(Doc ID 1573175.1)
Last updated on FEBRUARY 01, 2022
Applies to:Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Checked as Top Hit on 09-NOV-2011
If for any reason the script to install XDB, catqm.sql, fails, it is recommended to look at the log file to determine the reason why it failed. If the script didn't complete, or if the following error is reported after repeating the XDB installation:
ORA-04098: trigger 'SYS.XDB_INSTALLATION_TRIGGER' is invalid and failed re-validation.
Data loss could occur for future upgrade operations if the following objects aren't removed after an XDB install or upgrade:
trigger ==> sys.xdb_installation_trigger
trigger ==> sys.dropped_xdb_instll_trigger
table ==> sys.dropped_xdb_instll_tab
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