无参数的存储过程

CREATE PROCEDURE P_XSRBB()
BEGIN
		DECLARE VP1 VARCHAR(20);
		SET VP1=4;
SELECT VP1 FROM DUAL;
END;
CALL P_XSRBB();

DROP PROCEDURE IF EXISTS P_XSRBB;
CREATE PROCEDURE P_XSRBB(in vp2 INT)
BEGIN
		DECLARE VP1 VARCHAR(20);
		SET VP1=4;
SELECT VP2 FROM DUAL;
END;
CALL P_XSRBB(3434);

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