[DATABASE/ORACLE] FROM_TZ 함수 : 시간대 설정하기

■ FROM_TZ 함수를 사용해 시간대를 설정하는 방법을 보여준다.

▶ 예제 코드 (SQL)


SET SERVEROUTPUT ON;

DECLARE
    V_SOURCE_TIME  TIMESTAMP := CAST('2019-11-02 21:27:00' AS TIMESTAMP);
    V_TARGET_TIME1 TIMESTAMP WITH TIME ZONE;
    V_TARGET_TIME2 TIMESTAMP WITH TIME ZONE;
BEGIN
    V_TARGET_TIME1 := FROM_TZ(V_SOURCE_TIME, '-5:00'     );
    V_TARGET_TIME2 := FROM_TZ(V_SOURCE_TIME, 'US/EASTERN');

    DBMS_OUTPUT.PUT_LINE(V_TARGET_TIME1);
    DBMS_OUTPUT.PUT_LINE(V_TARGET_TIME2);
END;

SET SERVEROUTPUT ON;

DECLARE

V_SOURCE_TIME TIMESTAMP := CAST('2019-11-02 21:27:00' AS TIMESTAMP);

V_TARGET_TIME1 TIMESTAMP WITH TIME ZONE;

V_TARGET_TIME2 TIMESTAMP WITH TIME ZONE;

BEGIN

V_TARGET_TIME1 := FROM_TZ(V_SOURCE_TIME, '-5:00' );

V_TARGET_TIME2 := FROM_TZ(V_SOURCE_TIME, 'US/EASTERN');

DBMS_OUTPUT.PUT_LINE(V_TARGET_TIME1);

DBMS_OUTPUT.PUT_LINE(V_TARGET_TIME2);

END;