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maximum and minimum of two time Archive Import (diego) at 02:55 on Monday, July 14, 2003

how to get the maximum and minimum of two dates

sample
the value of time1(variable) is 8:00 AM
the value of time2(variable) is 5:48 PM

i want to get the minimum and maximum of two time
corect me if i am wrong

"Select Timein,Timeout from WorkSchedule where Timein >="&time1&" and Timeout <="& time2

am i correct?

thanks,
Pls. help
this is impt.

Re: maximum and minimum of two time Archive Import (david) at 09:20 on Monday, July 14, 2003

use datediff

Re: maximum and minimum of two time Archive Import (diego) at 20:05 on Monday, July 14, 2003

how

Re: maximum and minimum of two time Troy Wolf at 14:41 on Tuesday, July 15, 2003

Your post is titled "maximum and minimum", but your query has nothing to do with MAX and MIN. Your query:

"Select Timein,Timeout from WorkSchedule where Timein >="&time1&" and Timeout <="& time2

Will give you all records that apply -- not the single MAX or MIN. If this is what you want, then you are done.

If what you are doing is not what you want, then I need to know more specifically what you want. Here is how you could return the columns for the record with the earliest Timein that also falls within your Time1 to Time2 range. (This would be Minimum Timein that applies.)

sql = "select *" & _
" from WorkSchedule" & _
" where Timein = (" & _
" select MIN(Timein)" & _
" from WorkSchedule" & _
" where Timein >= `" & time1 "`" & _
" and Timeout <= `" & time2 & "`" )
" and Timeout <= `" & time2 & "`"

It aint pretty, but that`s a way to do it. To find the MAX record, you`d adjust this same query accordingly. So you`d run 2 queries. One to get the MIN record and one to get the MAX record.
Troy Wolf: site expert
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