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Oracle® Database Reference
12c Release 1 (12.1)

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DBA_OBJECT_USAGE displays statistics about index usage gathered from the database for all the indexes in the database. You can use this view to monitor index usage. All indexes that have been used at least once can be monitored and displayed in this view.

Related View

Column Datatype NULL Description
OWNER VARCHAR2(128) NOT NULL Index owner
INDEX_NAME VARCHAR2(128) NOT NULL Index name in sys.obj$.name
TABLE_NAME VARCHAR2(128) NOT NULL Table name in sys.obj$.name
MONITORING VARCHAR2(3)   Indicates whether the monitoring feature is turned on. Possible values:
  • YES

  • NO

USED VARCHAR2(3)   Indicates whether the index has been accessed. Possible values:
  • YES

  • NO

START_MONITORING VARCHAR2(19)   Start monitoring time in sys.object_stats.start_monitoring
END_MONITORING VARCHAR2(19)   End monitoring time in sys.object_stats.end_monitoring