摘要: with t as (select to_timestamp('2015-01-01 11:13:15.023456', 'yyyy-mm-dd hh24:mi:ss.ff9') t1, to_timestamp('2015-01-01 12:13:15.123556', 'yyyy-mm-dd hh2... 阅读全文
posted @ 2015-07-31 01:44 mellowsmile 阅读(12813) 评论(0) 推荐(0) 编辑