If the materialized view log were to be used, we … Use this statement to remove a materialized view from the database. Oracle Database can use this materialized view log to perform fast refreshes for all fast-refreshable materialized views based on the master table. See sa_dependent_views … Posted by Apun Hiran at 12:47 AM Labels: drop mview, materialized view, oracle. 4 Comments: Ritzy said... You may find the following Metalink Link pretty useful as well. They have a on commit refresh Materialized View Materialized Views in their various forms are a very potent way to shift efforts from the query to insert/update time of base data. But it IS a materialized view log table (as the exception told you) that was created to for another table to support a materialized view (MV) If you drop the log table then … Specifies the name of the tablespace in which this materialized view will be created. All indexes and keys for the materialized view … This is the fastest way I could find, please let me know if anyone else has any ideas. Sequence numbers are necessary to support fast refresh after some update scenarios. To reduce the replication costs, materialized view logs can be created to capture all changes to the base table since the last refresh. Correct - it is NOT a materialized view. CREATE MATERIALIZED VIEW and ALTER MATERIALIZED VIEW for more information on materialized views, CREATE MATERIALIZED VIEW LOG for information on materialized view logs, Oracle Database Advanced Replication for information on materialized views in a replication environment, Oracle Data Warehousing Guide for information on materialized views in a data warehousing environment. > Can not Drop Materialized View on 12c and above? Keywords. After you drop a materialized view log that was created FOR FAST REFRESH, some materialized views based on the materialized view log master table can no longer be fast refreshed. Specifies the name of the table for which the materialized view log will be maintained. The following statement drops the materialized view log on the oe.customers master table: Description of the illustration drop_materialized_view_log.gif. A materialized view log is located in the master database in the same schema as the master table. That’s the nature of a Materialized View: One way or another, we need to put the data into a redundant structure. After you drop a materialized view log, some materialized views based on the materialized view log master table can no longer be fast refreshed. See Also: … SQL> SQL> GRANT SELECT … You cannot execute a DROP MATERIALIZED VIEW statement on an object that is currently being used by another connection. drop materialized view SCOTT.MVIEW_TO_DROP; Materialized view dropped. Also see these related notes on materialized view performance. Dropping a Materialized View Log: Example The following statement drops the materialized view log on the oe.customers master table: Scripting on this page enhances content navigation, but does not change the content in any way. This is called fast refreshing. Published on: 2019-12-06 by Mustafa Category:12c, Development, Materialized View Comment. Use the DROP MATERIALIZED VIEW LOG statement to remove a materialized view log from the database. These materialized views include rowid materialized views, primary key materialized views, and subquery materialized views. Syntax DROP MATERIALIZED VIEW [ IF EXISTS] [ owner. The default tablespace for the schema owner is the default. 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