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Update random record

Posted on 2006-12-01
3
Medium Priority
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210 Views
Last Modified: 2008-02-01
I have a table that handles a competition where I want to pick one winner every day (make it as a daily job running on the SQL-server)

How can I make a query that solves this: If I have a table witt all the answers and one column named dailywinner (If 1 = winner)

I tried this but it updates all the records..

Update dbo.Kalender_svar
Set dailywinner = 1  
where  exists (
Select Top 1 dailywinner
FROM         dbo.Kalender_svar
WHERE     (Dag + 1 = DATEPART(d, GETDATE()))
ORDER BY NEWID())

0
Comment
Question by:wahooo
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3 Comments
 
LVL 13

Expert Comment

by:Atlanta_Mike
ID: 18056733
Try this

UPDATE Kalender_svar
    SET dailywinner = 1  
WHERE Id =
    (
        SELECT TOP 1 ID, NEWID()
        FROM LoanBase
        ORDER BY 2)
0
 
LVL 13

Expert Comment

by:Atlanta_Mike
ID: 18056738
Ooops


UPDATE Kalender_svar
    SET dailywinner = 1  
WHERE Id =
    (
        SELECT TOP 1 ID, NEWID()
        FROM Kalender_svar
        ORDER BY 2)
0
 
LVL 13

Accepted Solution

by:
Atlanta_Mike earned 1000 total points
ID: 18056750
Finally...

UPDATE Kalender_svar
    SET dailywinner = 1  
WHERE Id =
    (
        SELECT TOP 1 ID
        FROM Kalender_svar
        ORDER BY NEWID())
0

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