STATSPACK is a free tool that provides non-GUI snapshots of the database workload, while AWR is included with the Diagnostic Pack add-on and provides a GUI interface along with additional tools like Automatic Session History, Automatic Database Diagnostic Monitor, and HTML reports.
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Oracle Statspack vs awr
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--- STATSPACK vs. AWR ---
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AWR = Automatic Workload Repository (from 10g)
STATSPACK I AWR
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- free - you must buy Diagnostic Pack (includes ADDM, etc)
- not GUI - GUI (Graphic User Interface)
- has not a schema by default - has a default schema (SYS ?)
- you get ASH (Automatic Session History) and the
advisors (ADDM = Automatic Database Diagnostic
Monitor)
- can generate HTML reports