I SQL Plus:
SQL> create procedure myproc (prc out sys_refcursor)
2 is
3 begin
4 open prc for select * from emp;
5 end;
6 /
Procedure created.
SQL> var rc refcursor
SQL> execute myproc(:rc)
PL/SQL procedure successfully completed.
SQL> print rc
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- ----------- ---------- ---------- ----------
7839 KING PRESIDENT 17-NOV-1981 4999 10
7698 BLAKE MANAGER 7839 01-MAY-1981 2849 30
7782 CLARKE MANAGER 7839 09-JUN-1981 2449 10
7566 JONES MANAGER 7839 02-APR-1981 2974 20
7788 SCOTT ANALYST 7566 09-DEC-1982 2999 20
7902 FORD ANALYST 7566 03-DEC-1981 2999 20
7369 SMITHY CLERK 7902 17-DEC-1980 9988 11 20
7499 ALLEN SALESMAN 7698 20-FEB-1981 1599 3009 30
7521 WARDS SALESMAN 7698 22-FEB-1981 1249 551 30
7654 MARTIN SALESMAN 7698 28-SEP-1981 1249 1400 30
7844 TURNER SALESMAN 7698 08-SEP-1981 1499 0 30
7876 ADAMS CLERK 7788 12-JAN-1983 1099 20
7900 JAMES CLERK 7698 03-DEC-1981 949 30
7934 MILLER CLERK 7782 23-JAN-1982 1299 10
6668 Umberto CLERK 7566 11-JUN-2009 19999 0 10
9567 ALLBRIGHT ANALYST 7788 02-JUN-2009 76999 24 10