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问题描述
我的表具有以下字段和记录 Billno金额 1200 1200 2 300 2 300 我想获得不同金额的总和(Billno),在此示例中,我的要求是500,但我不知道该怎么做,请有人帮忙解决这个问题 在此先感谢
My table has following fields and records Billno Amount 1 200 1 200 2 300 2 300 i want to get sum of Amount in distinct(Billno),In this example My required answer is 500, but I didn''t know how to do it,Please somebody help for this proble Thanks in Advance
推荐答案这里是一种解决方案: Here is one solution : select SUM(amount) sum from( select distinct billno, amount from bill) as distincted
希望对您有所帮助.
Hope it helps.
从表名中选择总和(不同金额) SELECT SUM (DISTINCT Amount) FROM tablename
尝试一下! Try this up! SELECT SUM(Amount) FROM (SELECT DISTINCT BillNo FROM [TableName]
问候, 爱德华
Regards, Eduard
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