Sql server datediff() function

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Hi Folks....

I have two SQL DateDiff() Queries like below..

SELECT DATEDIFF(MONTH,'07/01/2017','08/10/2017')

SELECT DATEDIFF(MONTH,'08/10/2017','07/01/2017')

Can anyone please help me which one i need to use?

Thanks in Advance..

What I have tried:

I am confused about '08/10/2017','07/01/2017' dates about which one i need to use start date and end date.

Posted 30-Jul-17 22:52pm

Member 11931581

Updated 31-Jul-17 0:08am

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Mehdi Gholam · Answer 1 · 2017-07-30T22:55:00

Solution 1

Read the documentation : SQL Server DATEDIFF() Function[^]

Posted 30-Jul-17 22:55pm

Mehdi Gholam

CPallini · Answer 2 · 2017-07-31T00:08:00

Solution 2

As shown in the documentation, the function signature is

SQL

DATEDIFF(datepart,startdate,enddate)

then use

SQL

SELECT DATEDIFF(MONTH,'07/01/2017','08/10/2017')

if you need a positive number as return value.

Posted 31-Jul-17 0:08am

CPallini

v2

Comments

Member 11931581 31-Jul-17 6:17am

Hi Pallini , i want a negative value ..Is it ok if i use like SELECT DATEDIFF(MONTH,'08/10/2017','07/01/2017') ?

CPallini 31-Jul-17 6:27am

Yes, as you might see in the documentation.