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
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