DBA_TAB_COMMENTS , ALL_TAB_COMMENTS Contains Entry for Non-existent Table
(Doc ID 2007514.1)
Last updated on FEBRUARY 25, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 to 22.214.171.124 [Release 10.2 to 12.1]
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
Information in this document applies to any platform.
Performing a query against the dba_tab_comments or all_tab_comments data dictionary view will show a table owned by SYS but the table does not exist in SYS schema. ie. the table is non-existent
If distributed transaction is used in a database, *_tab_comments may return information for tables which exist on remote database.
The data dictionary view DBA_TABLES / ALL_TABLES was queried from a remote database. This affects DBA_TAB_COMMENTS, ALL_TAB_COMMENTS, USER_TAB_COMMENTS
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