Les procédures Oracle offrent la possibilité de renvoyer une valeur en sortie au travers d'une variable OUT définie dans la liste des paramètres de la procédure.
CREATE OR REPLACE PROCEDURE p_sqrt(
a IN NUMBER, b OUT NUMBER
) AS
BEGIN
b:=a*a;
END;
/
SET SERVEROUTPUT ON SIZE 2000
DECLARE
entree NUMBER;
sortie NUMBER;
BEGIN
entree:=9;
p_sqrt(entree,sortie);
dbms_output.put_line(entree||'² = '||sortie);
END;
/
a IN NUMBER, b OUT NUMBER
) AS
BEGIN
b:=a*a;
END;
/
SET SERVEROUTPUT ON SIZE 2000
DECLARE
entree NUMBER;
sortie NUMBER;
BEGIN
entree:=9;
p_sqrt(entree,sortie);
dbms_output.put_line(entree||'² = '||sortie);
END;
/
9² = 81
PL/SQL procedure successfully completed.
PL/SQL procedure successfully completed.
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