[DATABASE/ORACLE] 중첩 테이블 : EXTEND 함수를 사용해 NULL 항목 추가하기

icodebroker ORACLE 2024-06-18

■ 중첩 테이블의 EXTEND 함수를 사용해 NULL 항목을 추가하는 방법을 보여준다.

▶ 예제 코드 (SQL)


SET SERVEROUTPUT ON;

DECLARE
    TYPE DATE_TABLE_TYPE IS TABLE OF DATE;

    V_BIRTHDAY_TABLE DATE_TABLE_TYPE := DATE_TABLE_TYPE('1958-09-23', '1986-10-01', '1990-03-02', '1993-06-01');
BEGIN
    V_BIRTHDAY_TABLE.EXTEND(3);

    V_BIRTHDAY_TABLE(5) := '2019-11-03';
    V_BIRTHDAY_TABLE(6) := '2019-11-04';
    V_BIRTHDAY_TABLE(7) := '2019-11-05';

    DBMS_OUTPUT.PUT_LINE(V_BIRTHDAY_TABLE.COUNT); -- 7
END;

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SET SERVEROUTPUT ON;

DECLARE

TYPE DATE_TABLE_TYPE IS TABLE OF DATE;

V_BIRTHDAY_TABLE DATE_TABLE_TYPE := DATE_TABLE_TYPE('1958-09-23', '1986-10-01', '1990-03-02', '1993-06-01');

BEGIN

V_BIRTHDAY_TABLE.EXTEND(3);

V_BIRTHDAY_TABLE(5) := '2019-11-03';

V_BIRTHDAY_TABLE(6) := '2019-11-04';

V_BIRTHDAY_TABLE(7) := '2019-11-05';

DBMS_OUTPUT.PUT_LINE(V_BIRTHDAY_TABLE.COUNT); -- 7

END;