time difference

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Hi friends,

I have a table in database which contains three columns :

1. start with datatype datetime
2. end with datatype datetime
3. and the third column difference,

Now what I want is the difference should show the difference of other two columns in days hours min sec

What should I do so that whenever I write query select * from [tableName] difference show the difference of other 2 column.

thanks

Posted 12-Oct-10 23:28pm

dahras

Updated 13-Oct-10 0:08am

Dalek Dave

v2

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Sandeep Mewara 13-Oct-10 5:50am

Violation of 3-NF!

Dalek Dave 13-Oct-10 6:08am

Edited for Grammar and Spelling.

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Abhinav S · Answer 1 · 2010-10-12T23:37:00

Solution 1

Various ways to do this discussed here[^].

You can choose whichever method suits your requirement.

Posted 12-Oct-10 23:37pm

Abhinav S

Comments

dahras 13-Oct-10 6:18am

thanks

CPallini · Answer 2 · 2010-10-12T23:40:00

Solution 2

Why do you need the third column? cannot you use the DATEDIFF[^] function in your query?

:)

Posted 12-Oct-10 23:40pm

CPallini

Comments

Dalek Dave 13-Oct-10 6:08am

Good Call Carlo.

dahras 13-Oct-10 6:18am

thanks plz have a look at next answer thanks

Mohd Wasif · Answer 3 · 2010-10-13T00:27:00

Solution 4

Let me know that u want to get difference of dates in datetime or no of days.if no of days. u can choose
select DATEDIFF(day,GETDATE(),GETDATE()+1)

Posted 13-Oct-10 0:27am

Mohd Wasif

Comments

dahras 13-Oct-10 6:30am

i wanna get the dates from the column value. but how ?

Mohd Wasif 13-Oct-10 6:50am

how u are inserting date difference in third column, i don't think there should be use of 3 column.

dahras · Answer 4 · 2010-10-13T00:17:00

thanks pallini,

VB

DATEDIFF (datepart ,startdate ,enddate )

but the startdate and enddate are contained as column value and i have to calculate the time difference in each row.

i have a query:

SQL

DECLARE @INT INT

SET @INT = DATEDIFF(SECOND,GETDATE(),GETDATE()+1)

select
convert(varchar(10), (@INT/86400)) + ':' +
convert(varchar(10), ((@INT%86400)/3600)) + ':'+
convert(varchar(10), (((@INT%86400)%3600)/60)) + ':'+
convert(varchar(10), (((@INT%86400)%3600)%60)) as 'DD:HH:MM:SS'

how can i add the value of colums so that it could display me the time difference of complete table.

thanks

time difference

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