Understanding Date and Time Functions and Operations in SQL Server
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by Abhishek Kumar Singh
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New date/time features in SQL Server 2008

·         In SQL Server 2008 valid date range has be increased. It can from 0001-01-01 to 9999-01-01.

·         SYSDATETIMEOFFSET function has been added to get the time zone offset with the date-time.

·         In SQL Server 2008 the number of precision for second has been increased up to 7 which is only 3 in the SQL Server 2005 version.

·         SWITCHOFFSET is used to set a new time zone.

·         Also, SQL Server 2008 has added 4 new data types:

* DATE – a date only type
* TIME – a time only type
* DATETIMEOFFSET – a time zone aware datetime type
* DATETIME2 – a datetime type w/ larger fractional seconds and year range than the existing DATETIME type

So maybe in a few years, we will not need to worry so much about separating out dates and times.


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User Comments

Title: datetime in sqlserver   
Name: murali
Date: 2010-11-11 12:52:06 AM
Comment:
How to alter the datetime to date conversion
Title: Great!!   
Name: Shyam
Date: 2009-12-30 12:33:12 AM
Comment:
Thank you for your nice article.
it Gives me a better understanding to know time Manipulation Function!
Title: awesome   
Name: mahesh
Date: 2009-05-29 4:15:11 PM
Comment:
great job it helped me a lot thank you very much!!!!!!
Title: Great!!!   
Name: Gourik Kumar Bora
Date: 2009-03-31 3:21:57 AM
Comment:
Hi,
Thanks a lot. quite a helpful article..
Title: set datefirst inside function   
Name: ll
Date: 2008-11-17 7:24:10 AM
Comment:
how to use set datefirst inside function
Title: Thanks.   
Name: Abhishek (Author)
Date: 2008-11-13 8:05:34 AM
Comment:
Thanks to all of you for appreaciating my article.
Title: Thanks a Lot   
Name: Krishna Prabhu
Date: 2008-11-13 4:43:50 AM
Comment:
Thanks a lot for giving this artical.It helped in completing project
Title: Thnx a Ton   
Name: Neha Mishra
Date: 2008-11-12 2:15:52 AM
Comment:
Thnx a ton for such a detailed and informatic article. It helped in clearing almost all my doubts.
Title: Thank you   
Name: Vishal s.surana
Date: 2008-11-11 7:44:52 AM
Comment:
Thank you for your nice article.It is very helpful to understand differnt behaviour of datetime datatype.






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