Invalid x_$ Objects After Upgrade
(Doc ID 361757.1)
Last updated on JUNE 10, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11.0 [Release 8.1.7 to 18]
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 Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
You have successfully completed a database upgrade without any errors, but notice that there are some invalid SYS owned objects that begin with x_$. For example:
Note: These objects may be named in upper, lower or mixed case and are usually views starting with the x_$
If you try to recompile these views manually, you receive a warning similar to the following:
alter view x_$bh compile;
warning : view altered with compilation errors.
- show errors;
If you try to recompile other invalid views or procedures, you may get errors like ORA-904 and ORA-907.
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