while querying the access database for getting values between the dates of a month, the dates from 4th to 9th of that month is missing. Why? and if I query for those missing dates I am getting...

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the query I am using in MS Access 2010 is:

SQL

SELECT format( DateValue(Trans.Dt),"dd/MM/yyyy")   AS DateOfAttendance, Format(Min(Trans.Dt),"Long Time") AS InTime, Format(Max(Trans.Dt),"Long Time") AS OutTime,  Trans.EmpID
FROM Trans
WHERE (((DateValue([Trans].[Dt])) between ('4/1/2014')and('4/30/2014') and empid="0044"))
GROUP BY DateValue(Trans.Dt), Trans.EmpID, Trans.CardID;

Posted 27-Aug-14 21:40pm

sai sruthi

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Vinay Mistry 28-Aug-14 3:49am

Please complete your question in body part.

Herman<T>.Instance 28-Aug-14 6:37am

set the date values in varchar in order of yyyy/mm/dd ->
between ('4/1/2014')and('4/30/2014') should become
between ('2014/04/01') and ('2014/04/30')

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PhilLenoir · Accepted Answer · 2014-08-28T03:42:00

In Access queries use the # symbol to delimit literal dates. Converting dates to strings is not a great way to do filtering, sorting and comparisons. The Microsoft date format is internally stored as a floating point number and is more efficient for these operations than text. So your query should read:

SELECT format( DateValue(Trans.Dt),"dd/MM/yyyy") AS DateOfAttendance, Format(Min(Trans.Dt),"Long Time") AS InTime, Format(Max(Trans.Dt),"Long Time") AS OutTime, Trans.EmpID
FROM Trans
WHERE (((DateValue([Trans].[Dt])) between (#4/1/2014#)and(#4/30/2014#) and empid="0044"))
GROUP BY DateValue(Trans.Dt), Trans.EmpID, Trans.CardID;

This way there are no implicit casts to or from a string for the where clause everything is carried out using abstract dates.