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Oracle 10g Database Feature Usage Metrics

AWR is also used to track database usage metrics. The usage metrics represent how you use the database features. The database usage metrics are divided into two categories:

• The database feature usage statistics.
   

• The High Water Mark (HWM) values of certain database attributes.

Database Feature Usage Statistics include Advanced Replication, Oracle Streams, AQ, Virtual Private Database, Audit options etc.

High Water Mark Statistics include the size of the largest segment, the maximum number of sessions, the maximum number of tables, the maximum size of the database, the maximum number of data files, etc.

To view usage metric information, you can query the following:

• dba_feature_usage_statistics - Lists the usage statistics of various database features.
   

• dba_high_water_mark_statistics - Lists the database high water mark statistics.

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http://rampant-books.com/book_2003_2_oracle10g.htm

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