oracle日期时间型timestamp的深入讲解
- 作者: MrYe3332157
- 来源: 51数据库
- 2021-08-10
1、字符型转成timestamp
select to_timestamp('01-10月-08 07.46.41.000000000 上午','dd-mon-yy hh:mi:ss.ff am')
from dual;
2、timestamp转成date型
select cast(to_timestamp('01-10月-08 07.46.41.000000000 上午','dd-mon-yy hh:mi:ss.ff am') as date) timestamp_to_date
from dual;
3、date型转成timestamp
select cast(sysdate as timestamp) date_to_timestamp from dual;
4、获取timestamp格式的时间
select systimestamp from dual;
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