Data Dictionary Views for Certain Mviews are not Updated, Example - DBA_MVIEW_DETAIL_RELATIONS
(Doc ID 1566128.1)
Last updated on MARCH 12, 2021
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 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.
Upon creating several materialized views and checking the dictionary related objects for this MVIEWs
existence, it is noted that some of the mviews are not present in:
dba_mview_detail_relations, dba_mview_joins and dba_mview_key (and for ALL_, USER_ views)
This is documented behaviour under the dictionary view definitions in the SQL Reference User Guide.
All three (ALL_, DBA_, USER_) views exclude materialized views that reference remote tables or that
include references to a nonstatic values such as SYSDATE or USER. These views also exclude materialized
views that were created as "snapshots" prior to Oracle8i and that were never altered to enable query
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