如何爲每個承諾做出第一筆付款，在該輸出行上顯示「第一付款」

Question

DECLARE 
    pledgeid dd_pledge.idpledge%TYPE; 
    amtpledge dd_pledge.pledgeamt%TYPE; 
    monthspay dd_pledge.paymonths%TYPE; 
    datepay dd_payment.paydate%TYPE; 
    amtpay dd_payment.payamt%TYPE; 
    donorid dd_pledge.iddonor%TYPE; 
    CURSOR cur_pledges IS 
    SELECT pl.idpledge, pl.pledgeamt, pl.paymonths, pay.paydate, pay.payamt, pl.iddonor 
    FROM dd_pledge pl JOIN dd_payment pay 
    ON pl.idpledge = pay.idpledge 
    WHERE pl.iddonor = 309 
    ORDER BY pl.idpledge, pay.paydate; 
BEGIN 
    OPEN cur_pledges; 
    LOOP 
     FETCH cur_pledges INTO pledgeid, amtpledge, monthspay, datepay, amtpay, donorid; 
    DBMS_OUTPUT.PUT_LINE('Pledge ID: '|| pledgeid || ' Pledge Amount: '|| amtpledge || ' Monthly Payments: '|| monthspay || ' Payment Date: '|| datepay || ' Amount Paid: '|| amtpay); 
    EXIT WHEN cur_pledges%NOTFOUND; 
    END LOOP; 
CLOSE cur_pledges; 
END; 

請幫忙!!!我無法弄清楚如何僅爲第一筆付款提供消息

Answer 1

如果我正確理解您的問題，請將dbms_output消息放在open之前。