Any DDL Against a Master Table For a Mview Being Created Seems To Hang.
(Doc ID 438281.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.3 and later
Information in this document applies to any platform.
Whenever issued the "CREATE MATERIALIZED VIEW" statement, any DDL, such as a "GRANT SELECT" for example, on the objects that are being referenced in that "CREATE" materialized view statement, will wait until the materialized view creation process finishes.
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