整合模块时用到的有关Oracle时间格式的SQL语句:1.以12小时制显示 SQL>select to_char(sysdate,'YYYY-MM-DD HH12:MI:SS AM')from dual;
TO_CHAR(SYSDATE,'YYYY-MM-DDHH1 ------------------------------ 2007-06-29 02:50:06 下午 |
2.以24小时制显示 SQL> select to_char(sysdate,'YYYY-MM-DD HH24:MI:SS AM')from dual;
TO_CHAR(SYSDATE,'YYYY-MM-DDHH2 ------------------------------ 2007-06-29 15:00:58 下午 |
3.得到当前时间的前一分钟 select to_char(Sysdate-1/21/60,'HH24:MI:SS')from dual;
TO_CHAR(SYSDATE-1/21/60,'HH24: ------------------------------ 15:00:54 |
4.得到当前时间的后一分钟 select to_char(Sysdate+1/21/60,'HH24:MI:SS')from dual;
TO_CHAR(SYSDATE+1/21/60,'HH24: ------------------------------ 15:03:53 |
5.得到当前时间的前一小时 select to_char(Sysdate-1/24,'HH24:MI:SS')from dual;
TO_CHAR(SYSDATE-1/24,'HH24:MI: ------------------------------ 14:03:13 |
6.得到当前时间的后一小时 select to_char(Sysdate+1/24,'HH24:MI:SS')from dual;
TO_CHAR(SYSDATE+1/24,'HH24:MI: ------------------------------ 16:03:32 |
7.得到当前时间的后一天 select to_char(Sysdate+1,'YYYY-MM-DD')from dual;
TO_CHAR(SYSDATE+1,'YYYY-MM-DD' ------------------------------ 2007-06-30 |
TAG: Oracle
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