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목록DB/Oracle (88)
develog
SYSTIMESTAMP 는 OS time zone을 리턴 SELECT DBTIMEZONE , SESSIONTIMEZONE , TO_CHAR(SYSTIMESTAMP, 'TZH:TZM') SYSTIMESTAMP_TIMEZONEFROM DUAL DBTIMEZONE +00:00SESSIONTIMEZONE +09:00SYSTIMESTAMP TIMEZONE +08:00
SELECT SYSTIMESTAMP , TO_CHAR(SYSTIMESTAMP, 'YYYY-MM-DD HH24:MI:SS TZR') , TO_CHAR(SYS_EXTRACT_UTC(SYSTIMESTAMP), 'YYYY-MM-DD HH24:MI:SS TZR') , TO_CHAR(FROM_TZ(SYS_EXTRACT_UTC(SYSTIMESTAMP), 'UTC') AT TIME ZONE '+08:00', 'YYYY-MM-DD HH24:MI:SS TZR')FROM DUAL
SELECT DISTINCT TZNAMEFROM V$TIMEZONE_NAMESWHERE TZNAME LIKE '%Seoul%'; SELECT TZ_OFFSET('Asia/Seoul') FROM DUAL;
SELECT *FROM NLS_DATABASE_PARAMETERSORDER BY PARAMETER; SELECT * FROM NLS_SESSION_PARAMETERS ORDER BY PARAMETER; SELECT * FROM NLS_INSTANCE_PARAMETERS ORDER BY PARAMETER;
SELECT *FROM PRODUCT_COMPONENT_VERSION;