oracle 中关于当前的sysdate,sysstimestap,current_date,curent_timestamp 区别
2008-06-19 09:42
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alter session set TIME_ZONE = 'Asia/Tokyo';
select sysdate,current_date,systimestamp,current_timestamp from dual
2008-6-19 9:35:55 ,2008-6-19 10:35:55,2008-6-19 9:35:55.038361 +08:00 ,
2008-6-19 10:35:55.038365 +09:00
alter session set TIME_ZONE = 'Asia/Shanghai';
select sysdate,current_date,systimestamp,current_timestamp from dual
2008-6-19 9:38:39,2008-6-19 9:38:39,2008-6-19 9:38:39.640073 +08:00,2008-6-19 9:38:39.640073 +08:00
select sysdate,current_date,systimestamp,current_timestamp from dual
2008-6-19 9:35:55 ,2008-6-19 10:35:55,2008-6-19 9:35:55.038361 +08:00 ,
2008-6-19 10:35:55.038365 +09:00
alter session set TIME_ZONE = 'Asia/Shanghai';
select sysdate,current_date,systimestamp,current_timestamp from dual
2008-6-19 9:38:39,2008-6-19 9:38:39,2008-6-19 9:38:39.640073 +08:00,2008-6-19 9:38:39.640073 +08:00
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