1儲存過程主體

--儲存過程,傳入引數，求要求的商品總價
CREATE OR REPLACE PROCEDURE P_PRO ( P_NAME VARCHAR2,
  U_NAME  VARCHAR2
)
AS
A_OVER NUMBER;
BEGIN
  SELECT 
  B.PRODUCT_NUM*B.PRICE
  INTO
  A_OVER
  FROM
  USER_M A,
  PRODUCT_RELEASE B
  WHERE
  A.USER_ID=B.PRODUCT_ID
  AND B.PRODUCT_NAME=P_NAME
  AND A.USER_NAME=U_NAME;
  DBMS_OUTPUT.PUT_LINE(A_OVER);
  
  EXCEPTION 
    WHEN NO_DATA_FOUND THEN
      DBMS_OUTPUT.PUT_LINE(
 
'NO_DATA_FOUND');
  END P_PRO;
  
  

2.呼叫儲存過程

DECLARE  
N VARCHAR2(20);
P VARCHAR2(20);
BEGIN
   N:='護膚水';
   p:='張力';
  P_PRO(P_NAME=>n,
        U_NAME=>p
  );
  END;