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Synonyms Become Invalid After Upgrading To 10g (Doc ID 438210.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
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 Backup Service - Version N/A and later
Information in this document applies to any platform.


After upgrading a database from Oracle 8i/9i to 10g,  altering a table causes its associated public synonym to become invalid.

Version 10g after altering a table:

==> Table was dropped but the synonym remains and is shown as valid.




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