How to Execute stored procedure from SQL Plus?

Question

I have a stored procedure in oracle and want to test it from SQLPlus.

If I use

execute  my_stored_proc (-1,2,0.01) 

I get this erro

Answer 1

You forgot to put z as an bind variable.

The following EXECUTE command runs a PL/SQL statement that references a stored procedure:

SQL> EXECUTE -
> :Z := EMP_SALE.HIRE('JACK','MANAGER','JONES',2990,'SALES')

Note that the value returned by the stored procedure is being return into :Z