摘要: 格式:MONTHS_BETWEEN(DATE1,DATE2) MONTHS_BETWEEN函数返回两个日期之间的月份数。 SQL> select months_between(to_date('20090228', 'yyyymmdd'), to_date('20080228', 'yyyymmdd')) as months from dual; MONTHS ---------- ... 阅读全文
posted @ 2017-04-01 11:26 蒲木杉 阅读(22968) 评论(0) 推荐(1) 编辑