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esthera
Master Smack Fu Yak Hacker
1410 Posts |
 Posted - 2010-05-12 : 07:59:19
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| i have a table called loghave firstname,datetimeI want to query the last record (based on datetime) for all records where there are an odd number of entries for todays dateso if i have joe 20100512 10:59jane 20100512 10:30joe 20100512 10:40jane 20100512 23:59joe 20100512 10:59joe 20100512 11:39john 20100512 11:39ken 20100512 11:39ken 20100512 12:39ken 20100512 15:39only john will show up and ken with the date of 20100512 15:39as the other have an even amount of entries can someone help me? |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2010-05-12 : 08:05:51
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[code]select *from ( select *, row_no = row_number() over (partition by firstname order by [datetime] desc), cnt = count(*) over (partition by firstname) from log ) lwhere cnt % 2 = 1and row_no = 1[/code]
KH[spoiler]Time is always against us[/spoiler] |
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asgast
Posting Yak Master
149 Posts |
Posted - 2010-05-12 : 08:08:59
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| you still will need to filter for today |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2010-05-12 : 08:11:42
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that should not be an uphill task for esthera right  ?
KH[spoiler]Time is always against us[/spoiler] |
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query help