SQL Developer Oracle, how to call procedure? [duplicate] - oracle

Question

This question already has answers here:
Calling a stored PROCEDURE in Toad
(2 answers)
Closed 7 years ago.
I have delcared function like this:
CREATE or replace PROCEDURE proc
(
P_ID IN INTEGER,
NAME OUT CHAR,
SURNAME OUT CHAR,
TOTAL OUT CHAR
)
AS
BEGIN
SELECT NAME, SURNAME, sum(TOTAL) AS TOT
INTO NAME,SURNAME,TOTAL
FROM STATISTICS, PLAYERS, PERSON
WHERE STATISTICS.SID=P_ID AND PERSON.ID=PLAYERS.SID AND
STATISTICS.PLAYERS_SID=PLAYERS.SID
GROUP BY NAME,SURNAME;
END;
Select statement works corectly, but how to call this procedure in Oracle?
I tried something like
EXEC proc(4);
AND
DECLARE
NAME OUT CHAR,
SURNAME OUT CHAR,
TOTAL OUT CHAR
BEGIN
P_ID := 12 ;
proc (
P_ID => P_ID,
NAME => NAME,
SURNAME => SURNAME,
TOTAL => TOTAL
);
END;
but without any success.

Answer 1

EXEC proc(4);
EXECUTE is a SQL*Plus command.
You have following options:
EXECUTE in SQL*Plus
Call it in an anonymous PL/SQL block.
Run in SQL Developer client tool
Let's see all the three ways:
In SQL*Plus:
SQL> variable v_ename varchar2(20);
SQL> exec get_emp(7788, :v_ename);
PL/SQL procedure successfully completed.
SQL> print v_ename;
V_ENAME
--------------------------------
SCOTT
In an anonymous PL/SQL block:
SQL> CREATE OR REPLACE PROCEDURE get_emp(
2 i_empno IN emp.empno%TYPE,
3 o_ename OUT emp.ename%TYPE)
4 AS
5 BEGIN
6 SELECT ename INTO o_ename FROM emp WHERE empno = i_empno;
7 END;
8 /
Procedure created.
SQL> SET serveroutput ON
SQL> DECLARE
2 v_ename VARCHAR2(20);
3 BEGIN
4 get_emp(7788, v_ename);
5 dbms_output.put_line('Employee name is '||v_ename);
6 END;
7 /
Employee name is SCOTT
PL/SQL procedure successfully completed.
In SQL Developer client tool:
Go to connections on the left pane.
Expand the Procedures.
Right click on the procedure and select "Run".
It will open a new window, provide the Input value and click OK.
The output will be shown in Output Log at the bottom as "Output Variables".