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Concurrent Requests Purge Program -- What happens?

The following tables will be purged:
.
FND_CONCURRENT_REQUESTS
This table contains a complete history of all concurrent requests.
.
FND_RUN_REQUESTS
When a user submits a report set, this table stores information about the
reports in the report set and the parameter values for each report.
.
FND_CONC_REQUEST_ARGUMENTS
This table records arguments passed by the concurrent manager to each program
it starts running.
.
FND_DUAL
This table records when requests do not update database tables.
.
FND_CONCURRENT_PROCESSES
This table records information about Oracle Applications and operating system
processes.
.
FND_CONC_STAT_LIST
This table collects runtime performance statistics for concurrent requests.
.
FND_CONC_STAT_SUMMARY
This table contains the concurrent program performance statistics generated by
the Purge Concurrent Request and/or Manager Data program. The Purge Concurrent
Request and/or Manager Data program uses the data in FND_CONC_STAT_LIST to
compute these statistics.

FND_CONC_PP_ACTIONS
Stores the post request processing actions(e.g., print, notify) for each
submitted request. There's a concurrent_request_id here for each request_id
in the FND_CONCURRENT_REQUESTS.

FND_RUN_REQ_PP_ACTIONS
Stores the post request processing actions(e.g., print, notify) for
submitted request set programs that are stored in FND_RUN_REQUESTS

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