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phrankbooth
Posting Yak Master
162 Posts |
 Posted - 2014-02-28 : 23:57:58
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| In this table:select * into #tmpfrom(select 'abc' a, 'xyz' b, 10 c union allselect 'abc' a, 'ghi' b, 20 c union allselect 'abc' a, 'aaa' b, 30 c ) tHow can you group it by column a, b take max(c), BUT exclude rows with b='aaa'??So that the result is 20.Thanks--PhB |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2014-03-01 : 00:05:10
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[code]select max(c)from #tmpwhere b <> 'aaa'[/code]
KH[spoiler]Time is always against us[/spoiler] |
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phrankbooth
Posting Yak Master
162 Posts |
Posted - 2014-03-01 : 00:21:12
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| thanks for your reply.sorry, I should have been clearer.I simplified the table, but I talked about grouping it because 'aaa' is not the only field value, there will be more rows with other groupings besides 'abc'--PhB |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2014-03-01 : 00:31:22
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then can you illustrate further on your requirement ?
KH[spoiler]Time is always against us[/spoiler] |
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How to take the max but exclude a row?