Lists the arguments of procedures & functions

In ALL_ARGUMENTS table lists the arguments of the procedures and functions that are accessible to the current user


In DBA_ARGUMENTS table lists the arguments of the procedures and functions that are available in the database.


In USER_ARGUMENTS  table lists the arguments of the procedures and functions that are owned by the current user. This view does not display the OWNER column.


select distinct owner , package_name,object_name,   argument_name, data_type, in_out, data_length,
character_set_name, type_owner, type_name, type_subname,  pls_type, char_length, char_used from all_arguments