随笔分类 - T-SQL

SQL求两个时间差

摘要：SELECTDATEDIFF( Second, '2009-8-25 12:15:12', '2009-9-1 7:18:20') --返回相差秒数SELECTDATEDIFF( Minute, '2009-9-1 6:15:12', '2009-9-1 7:18:20') --返回相差分钟数SELECTDATEDIFF( Day, '2009-8-25 12:15:12','2009-9-1 7:18:20')--返回相差的天数SELECTDATEDIFF( Hour, '2009-8-2 阅读全文

posted @ 2013-04-23 14:43 踏雪寻梦阅读(3775) 评论(0) 推荐(0)