As far as i remember when you describe a procedure or a function or a package.procedure
oracle will show the parameter name, data type and required or not.
for example:
SQL> DESC package1.procedure1;
SQL>
Name Datatype Required
---------------- ------------ -------------
parameter1 date yes
parameter2 varchar2 No
There is a difference between SQL*Plus 3.3 and 8.0.
In SQL*Plus 3.3 you can describe subobjects (like procedures in packages), in 8.0 you can only describe objects (not procedures in packages).
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