时间比较方式等
摘要:
alter user scott account unlock;时间比较方式:select * from emp where to_char(hiredate,'yyyy-mm-dd'')>'1982-01-01';select * from emp where to_char(hiredate,'... 阅读全文
posted @ 2014-05-19 17:16 星辰大海ゞ 阅读(150) 评论(0) 推荐(0) 编辑