Found the view, it is DBA_ARGUMENTS.
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From: Jason Chapman
Sent: Thursday, July 17, 2008 3:03 PM
To:
toad@...
Subject: Procedure/Function Arguments list
Does anyone know how the TOAD software obtains the list of parameters
defined for a procedure or function? We are trying to identify all
stored program units that have a parameter defined as VARCHAR2 and OUT.
We could use the ALL_SOURCE system view in ORACLE but thought there may
be a cleaner way since TOAD provides a tab showing the same information.
Thanks,
Jason