Days Between Two Dates.

Aug 6, 2007

Hi all,

I have a table in which I have two fields in my DB.

FromDate and ToDate.

Both are stored as Varchar(MAX).

I would like to have an SP which gives me the Days in Between them.

Regards,

Naveen.

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Remove Weekends And Non Working Days When Calculating Days Difference Between Two Dates

Jan 7, 2014

I have an SQL code below which removes weekends and non working days when calculating days difference between two dates:

ce.enquiry_time represents when the enquiry was logged

(DATEDIFF(dd, ce.enquiry_time, getdate()) + 1)
-(DATEDIFF(wk, ce.enquiry_time, getdate()) * 2)
-(CASE WHEN DATENAME(dw, ce.enquiry_time) = 'Sunday' THEN 1 ELSE 0 END)
-(CASE WHEN DATENAME(dw, getdate()) = 'Saturday' THEN 1 ELSE 0 END)
-(SELECT COUNT(*) FROM nonworking_day WHERE nonworking_day.nonworking_date >= ce.enquiry_time AND nonworking_day.nonworking_date < dateadd(dd,datediff(dd,0,getdate()),1))

It works but I don't understand how it works it out. I am having issues understanding each coloured piece of code and how it works together.

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Apr 16, 2007

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Hi I was wondering if somebody could help me alter this query so I an calulate the difference in days in between DateEntered and FileClosedDate having the above criteria.
I can't seem to be able to get the datediff function right in this particular example

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FirstName........LastName.........Submitted
John................Miller...............7/01/2014
Mary................Smith..............7/02/2014
Bob.................Williams..........7/05/2014

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The following query was used for retrieving dates for the last 7 days . Untill February this query was running fine and would return the last seven days date including today.

SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
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However from March (not sure of the exact date)..the query below would only give us 7 days until yesterday..i.e it would list dates from 3/19,3/20,3/21,3/22,3/23,3/24,3/25 and not 3/26 ..

I changed the query to <= 6 and it works as expected. But still not sure why it would not return todays date with <= 7.

SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
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I have the following simple SQL which counts the days difference between two date fields:

SELECT
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FROM
central_enquiry
---

How do I get it to exclude weekends?

I also have a table nonworkingdays which has a nonworking_date field where users can manually record national holidays and bank holidays etc.

Example date

nonworking_date
01/01/2014
18/04/2014
05/05/2014

How can I include this table in the calculation too?

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Apr 17, 2007

I have a table like this (a small section of the table)

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1234 |1 |12/3/2006
1234 |2 |12/18/2006
1234 |3 |1/5/2007
1234 |4 |1/9/2007
1234 |5 |2/21/2007
9999 |91 | 1/3/2006
9999 |81 |1/10/2006
9999 |71 |1/18/2007
9999 |61 |2/1/2007

I have to find the number of days between the dates for the same cu_id and add the number as a new column. The new table should look like this.

Cu_id |Tr_id |Date| Days_between
1234 |1 |12/3/2006 |0
1234 |2 |12/18/2006 |15
1234 |3 |1/5/2007 |18
1234 |4 |1/9/2007 |4
1234 |5 |2/21/2007 | 43
9999 |91 |1/3/2006 |0
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Hi and Thank you in advance
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Example
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Example
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[code]....

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Nov 8, 2006

Hi,

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I am trying write a query which lists all the dates between the timeoff startdate and enddate, including the the start and end dates, but my query so far only lists the start and end date in a timeoff record:

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Feb 28, 2008



I'm trying to generate this query, that displays Budget Current Year , Actual Current Year and Prior Year Revenue. When It comes to the Budget and Actual everything works fine, however when I try to add the query for the Prior Year I get an error, and I realized that the leap date is causing the error


Here is what I'm trying to generate






InnCodeID
Quarterly
Monthly
Days
Period
Year
BARmRev
AARmRev
PYRmRev

ADDIS
Q1
Jan
1
1
2008
NULL
NULL


ADDIS
Q1
Jan
1
1
2008
3462.14
5107.65


ADDIS
Q1
Jan
1
1
2008
NULL
NULL


ADDIS
Q1
Jan
1
1
2008
NULL
NULL



Here is the error that I'm getting:



Code Snippet

Msg 242, Level 16, State 3, Line 1

The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.

(4834 row(s) affected)



Here is my Transact-SQL Syntax (summarized because I Couldn't post it):

SELECT

(CASE WHEN (CASE WHEN dbo.Trans.Tr_Dept = '10' AND dbo.Trans.TR_Main = '5120' AND dbo.Trans.tR_sub = '01'

AND Year(dbo.Trans.TR_Date) = Year(dbo.CurrentDate.CurrDate) AND dbo.trans.Datatype = '1'

THEN dbo.trans.Tr_Amount ELSE NULL END) IS NOT NULL THEN

(SELECT Trans1.TR_Amount

FROM dbo.Trans Trans1

WHERE Trans1.TR_Dept = '10' AND TR_Main = '5120' AND TR_Sub = '01' AND trans1.TR_Date = CAST((CAST(Month(dbo.Trans.TR_Date)

AS varchar(2)) + '/' + CAST(Day(dbo.Trans.TR_Date) AS varchar(2)) + '/' + CAST(Year(dbo.CurrentDate.CurrDate) AS varchar(4))) AS datetime)

AND Trans1.TR_Entity = dbo.Trans.TR_Entity AND trans1.datatype = dbo.Trans.DataType) ELSE NULL END) * - 1 AS BARmRev,


--AA Script Here AS AARmRev,

(CASE WHEN (CASE WHEN dbo.Trans.Tr_Dept = '10' AND dbo.Trans.TR_Main = '5120' AND dbo.Trans.tR_sub = '01' AND Year(dbo.Trans.TR_Date)

= Year(dbo.CurrentDate.CurrDate) AND dbo.trans.Datatype = '1' THEN dbo.trans.Tr_Amount ELSE NULL END) IS NOT NULL THEN

(SELECT SUM(Trans1.TR_Amount)

FROM dbo.Trans Trans1

WHERE RIGHT(RTRIM(Trans1.TR_Dept), 2) = '10' AND Trans1.TR_Main = '5120' AND Trans1.TR_Sub NOT BETWEEN '04' AND '05' AND

trans1.TR_Date = CAST((CAST(Month(dbo.Trans.TR_Date) AS varchar(2)) + '/' + CAST(Day(dbo.Trans.TR_Date) AS varchar(2))

+ '/' + CAST(Year(dbo.CurrentDate.CurrDate)-1 AS varchar(4))) AS datetime) AND Trans1.TR_Entity = dbo.Trans.TR_Entity AND

trans1.datatype = '0') ELSE NULL END) * - 1 AS PYRmRev



FROM dbo.EntityDef INNER JOIN

dbo.Trans ON dbo.EntityDef.ED_Property_ID = dbo.Trans.TR_Entity INNER JOIN

dbo.CurrentDate INNER JOIN

dbo.DimTime ON YEAR(dbo.DimTime.TimeDate) = YEAR(dbo.CurrentDate.CurrDate) ON dbo.Trans.TR_Date = dbo.DimTime.TimeDate

WHERE (dbo.EntityDef.ED_Property_ID = 'ADDIS')

ORDER BY dbo.EntityDef.ED_Property_ID, dbo.DimTime.TimeDate


I appreciate all your help

Thanks

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