Creating a Materialized View Based on a View With Refresh Fast Receives ORA-12015, and Creating It With Refresh Force Receives ORA-01723
(Doc ID 373089.1)
Last updated on OCTOBER 29, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
When attempting to create a materialized view which is based on a regular database view, and using the keywords REFRESH FAST, the following error occurs.
ORA-12015: cannot create a fast refresh materialized view from a complex query
Also, when attempting to create the materialized view as REFRESH FORCE, a different error is received:
ORA-01723: zero-length columns are not allowed
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