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AWR Baseline Enhancements in 11g Release

The Automatic Workload Repository (AWR) was introduced in Oracle 10g and included some simple baseline functionality. Creating a baseline allowed a specified range of snapshots to be retained, regardless of the AWR retention policy, and used for performance comparisons. This functionality, and the DBMS_WORKLOAD_REPOSITORY package that manages it, has been extended in Oracle 11g.

Fixed Baselines

The Moving Window Baseline

Baseline Templates

Baseline Metric Thresholds

http://www.diybl.com/course/7_databases/oracle/oraclejs/20081012/150414.html

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