摘要: --求某时间段内平均值的前十条的总和 SELECT SUM(Result) FROM ( SELECT TOP 10 AVG(Result) AS result FROM B_Record_DomainNamePage WHERE RecordTime BETWEEN '2010-12-16 13:11:27' AND '2010-12-22 13:1... 阅读全文
posted @ 2010-12-21 13:51 peter cheng 阅读(704) 评论(0) 推荐(0) 编辑