How to get number of days in between two dates

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SQL-Server-2008R2

Dear,

C#

How to get number of days in between two dates

below query in SQL.

SQL

select DATEDIFF(DAY,'2016-03-11  12:00','2016-03-13  20:00')

its right but i want in decimal format.

Thanks
Basit

What I have tried:

Dear,

C#

How to get number of days in between two dates

below query in SQL.

SQL

select DATEDIFF(DAY,'2016-03-11  12:00','2016-03-13  20:00')

its right but i want in decimal format.

Thanks
Basit

Posted 14-Mar-16 1:21am

basitsar

Updated 14-Mar-16 2:01am

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Tomas Takac · Answer 1 · 2016-03-14T02:01:00

Solution 1

You can convert the dates to floats and substract those:

SQL

DECLARE @d1 DATETIME = '2016-03-11  12:00'
DECLARE @d2 DATETIME = '2016-03-13  20:00'

SELECT CAST(@d2 AS FLOAT) - CAST(@d1 AS FLOAT)

-- Returns: 2.33333333333576

Posted 14-Mar-16 2:01am

Tomas Takac