DBA_BASE_TABLE_MVIEWS describes all materialized views using materialized view logs in the database. Its columns are the same as those in ALL_BASE_TABLE_MVIEWS.
· ALL_BASE_TABLE_MVIEWS describes the materialized views using materialized view logs accessible to the current user. A materialized view log can be created for a master, base table, or master materialized view. Query this view at the master site or the master materialized view site to show one row for each materialized view using a materialized view log.
· USER_BASE_TABLE_MVIEWS describes the materialized views using materialized view logs owned by the current user.
| Column | Datatype | NULL | Description |
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| | Schema in which the master table or the master materialized view was created |
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| | Name of the master table or the master materialized view |
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| | Date when the materialized view based on the master was last refreshed |
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| | Unique identifier of the materialized view that is based on the master |
Oracle data dictionary views
Oracle dynamic performance views
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