Solved

Convert SQL datetime to timestamp

Posted on 2004-09-06
6
8,783 Views
Last Modified: 2011-09-20
Hi,
Im having a big problem with yet another simple task :)
Trying to get MS SQL to convert its datetime type to a UNIX timestamp
How can this be done?  I know in MySQL there is the UNIX_TIMESTAMP function, but how does this relate in mssql?
The problem exists becuase I am trying to use PHP to convert the mssql datetime to a unix timestamp, and then back.
If I get a date from the database such as 2004-Sep-03 05:09:00 and use the php function strtotime() on that, it converts it, but then using strftime() converts it back and it ends up being somewhere around 2010!!
Help!
0
Comment
Question by:maunded
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 4
  • 2
6 Comments
 
LVL 10

Accepted Solution

by:
imrancs earned 125 total points
ID: 11994636
UNIX_TIMESTAMP()

If called with no argument, returns a Unix timestamp (seconds since '1970-01-01 00:00:00' GMT) as an unsigned integer. If UNIX_TIMESTAMP() is called with a date argument, it returns the value of the argument as seconds since '1970-01-01 00:00:00'


here is how can you do it in MSSQL

select datediff(second, '1970-01-01 00:00:00','2004-Sep-03 05:09:00')

Imran
0
 
LVL 1

Author Comment

by:maunded
ID: 11995027
Imran my man you are a genius
0
 
LVL 10

Expert Comment

by:imrancs
ID: 11995210
Glad if I could help!!!


Imran
0
Salesforce Made Easy to Use

On-screen guidance at the moment of need enables you & your employees to focus on the core, you can now boost your adoption rates swiftly and simply with one easy tool.

 
LVL 1

Author Comment

by:maunded
ID: 11995315
Actually that hasnt quite solved my problem I just found out, when I convert the timestamp back in php, its offset by +10hrs (something to do with the fact my timezone is -10 I guess
0
 
LVL 10

Expert Comment

by:imrancs
ID: 11995336
yes you are right, this difference is becuase of timezone.

UNIX_TIMESTAMP() actually calculates according to GMT.


Imran
0
 
LVL 10

Expert Comment

by:imrancs
ID: 11995421
here is how you can get difference (in hours) from GMT


select datediff(hour,getdate(), getutcdate()) AS GMTDiff


Imran
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

This article explains how to reset the password of the sa account on a Microsoft SQL Server.  The steps in this article work in SQL 2005, 2008, 2008 R2, 2012, 2014 and 2016.
International Data Corporation (IDC) prognosticates that before the current the year gets over disbursing on IT framework products to be sent in cloud environs will be $37.1B.
Via a live example, show how to setup several different housekeeping processes for a SQL Server.
Viewers will learn how to use the SELECT statement in SQL and will be exposed to the many uses the SELECT statement has.

739 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question