Chris,

This is how I do it:

SELECT UNIX_TIMESTAMP(time_sign_out) -UNIX_TIMESTAMP(time_sign_in)/3600
AS hours

HTH!

Cory





On Wed, 2002-10-30 at 13:50, Raymer, Chris wrote:
> Having trouble getting the syntax to calculate the time difference given 2 dates 
>like so:
> 
> A.) 2002-01-02 21:33:00 
> B.) 2002-01-03 00:12:00 
> 
> In SQL Server could DateDiff.  Have tried combinations of TO_DAYS, MINUTE,HOUR etc 
>to no avail.  Please Help.
> 
> Chris Raymer
> 
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