oracle 简单的sysTimeStamp类型转date 类型
oracle 简单的SYSTIMESTAMP 类型转date 类型
SELECT SYSTIMESTAMP , SYSTIMESTAMP+0 FROM dual;
SAMPLE_TIME
---------------------------------------------------------------------------
06-MAY-14 05.17.14.651 PM
SAMPLE_TIME+0
-------------------
2014-05-06 17:16:36