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Re: Database query -- how to?

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El jueves, 12 de abril de 2012 10:02:09 UTC+2, Gerd Brix  escribió:
> Hi all,
> 
> I'm not too firm with writing SQL queries, thats why I'm asking here
> for help.
> There's a SQL Server Express with the following table:
> 
> ID     TIME
> ----------------
> 1       8:00
> 1       7:45
> 2       6:00
> 3       5:00
> 2       7:59
> 
> What I need to find out is the last time entered for all given IDs.
> That means:
> ID     TIME
> ----------------
> 1      8:00
> 2      7:59
> 3      5:00
> 
> Can someone please help me with this?
> 
> Thanks in advance!
> 
> -gerd

In case the column TIME is DateTime type:
Select max(TIME) from TableName

If i is not DateTime, you will have to convert the data, heres a link to the documentation on Convert function and data types http://msdn.microsoft.com/es-es/library/ms187928.aspx

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Thread

Database query -- how to? Gerd Brix <gbrix@gmx.de> - 2012-04-12 01:02 -0700
  Re: Database query -- how to? bradbury9 <ray.bradbury9@gmail.com> - 2012-04-12 02:28 -0700
    Re: Database query -- how to? Gerd Brix <gbrix@gmx.de> - 2012-04-12 02:38 -0700
      Re: Database query -- how to? bradbury9 <ray.bradbury9@gmail.com> - 2012-04-12 04:10 -0700
  Re: Database query -- how to? Erland Sommarskog <esquel@sommarskog.se> - 2012-04-12 11:10 +0000
    Re: Database query -- how to? Gerd Brix <gbrix@gmx.de> - 2012-04-12 04:33 -0700

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