oracle 时区的一些操作

 

SELECT New_Time(To_Date('2010/04/08','yyyy/mm/dd'),'GMT','EST') AS newtime FROM dual;

 

select * FROM V$TIMEZONE_NAMES; 

SELECT * FROM V$TIMEZONE_NAMES WHERE TZABBREV='GMT';

SELECT * FROM V$TIMEZONE_NAMES WHERE TZNAME='US/Eastern';

 

 

SELECT TZ_OFFSET('Africa/Khartoum') FROM DUAL;

 

SELECT dbtimezone FROM dual;

SELECT sessiontimezone FROM dual;