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--łączną ilość poniedziałków i piątków jakie upłynęły po dacie zadanej przez parametr p_data.
--Zademonstruj działanie zaimplementowanej funkcji.
--Rozwiązanie [3 pkt]:
*/
SET SERVEROUTPUT ON
/
CREATE OR REPLACE FUNCTION ile_pn_pt(p_data DATE)
RETURN INTEGER IS
BEGIN
LOOP
FOR v_i IN p_data..sysdate LOOP
IF to_char(p_data, 'd')=1 OR to_char(p_data, 'd')=5 THEN
v_i:=v_i++;
continue;
END IF;
END LOOP;
END LOOP;
DBMS_OUPUT.PUT_LINE(to_char(p_data('2016-05-01','yyyy-mm-dd')));
END;
/
--Test poprawności rozwiązania [1 pkt]:
BEGIN
DBMS_OUPUT.PUT_LINE(ile_pn_pt(p_data('2016-05-01','yyyy-mm-dd')));
END;
--Usuwamy utworzoną funkcję [brak=-1 pkt]:
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