The awrrpt.sql SQL script generates an HTML or text report that displays statistics for a range of snapshot Ids.

The awrrpti.sql SQL script generates an HTML or text report that displays statistics for a range of snapshot Ids on a specified database and instance.

The awrsqrpt.sql SQL script generates an HTML or text report that displays statistics of a particular SQL statement for a range of snapshot Ids. Run this report to inspect or debug the performance of a SQL statement.

The awrsqrpi.sql SQL script generates an HTML or text report that displays statistics of a particular SQL statement for a range of snapshot Ids on a specified database and instance. Run this report to inspect or debug the performance of a SQL statement on a specific database and instance.

The awrddrpt.sql SQL script generates an HTML or text report that compares detailed performance attributes and configuration settings between two selected time periods.

The awrddrpi.sql SQL script generates an HTML or text report that compares detailed performance attributes and configuration settings between two selected time periods on a specific database and instance.

You can view ASH reports using Enterprise Manager or by running the following SQL scripts:

• The ashrpt.sql SQL script generates an HTML or text report that displays ASH information for a specified duration.

• The ashrpti.sql SQL script generates an HTML or text report that displays ASH information for a specified duration for a specified database and instance.

Monitoring the Performance of the Automatic PGA Memory Management

Before starting the tuning process, you need to know how to monitor and interpret the key statistics collected by Oracle to help in assessing the performance of the automatic PGA memory management component. Several dynamic performance views are available for this purpose:

• V$PGASTAT

• V$PROCESS

• V$PROCESS_MEMORY

• V$SQL_WORKAREA_HISTOGRAM

• V$SQL_WORKAREA_ACTIVE

• V$SQL_WORKAREA