database question

database question.
i want to calculate a trend values in a field
i have field which shows total count of numbers. from that i want to show the trend in a separate field. by present date.
how can i do that
i want the query for both access and mssql
can some body help  me in this.
romeiovasuAsked:
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AbhishekSharmaCommented:
Please provide some data
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romeiovasuAuthor Commented:
for example
i have count of 100 numbers and i want to forcast for this month
what i am doing in or access manually is
trend = (100/day of the month)*no of days in a month
like
trend = (100/6)*30 = 500
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Rey Obrero (Capricorn1)Commented:
in access sql

select  (100/Day(Date()) * DaysInMonth(Date())) as trend
from tableName


you need this function (place in a module)

Function DaysInMonth(MyDate)

   ' This function takes a date as an argument and returns
   ' the total number of days in the month.

   Dim NextMonth, EndOfMonth

   NextMonth = DateAdd("m", 1, MyDate)
   EndOfMonth = NextMonth - DatePart("d", NextMonth)
   DaysInMonth = DatePart("d", EndOfMonth)

End Function
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romeiovasuAuthor Commented:
can you tell me how to use in a sql query
i got it for access i used in a simple way
DateDiff("d",Date()-(Day(Date()- 1)), DateSerial(Year(Date()),(Month(Date())+1),1))

now i am using sql 2005 i want to get in sql query
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romeiovasuAuthor Commented:
ok got it thank you
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Microsoft SQL Server 2005

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