Solved

Find Monday in iso_week 1

Posted on 2015-02-20
2
65 Views
Last Modified: 2015-02-20
Hi!

I need a sql query to provide me the Monday in iso_week 1 for any given year.

in 2015 it should return '2014-12-29'
in 2016 it should return '2016-01-04'
in 2017 it should return '2017-01-02'

Thanks,
0
Comment
Question by:intimenordic
2 Comments
 
LVL 24

Accepted Solution

by:
Phillip Burton earned 500 total points
ID: 40620857
Either:

select dateadd(day,2-datepart(dw,'20130101')+iif(datepart(dw,'20130101')>5,7,0),'20130101') as ISOWeek1

Open in new window


or, if you want to define it once:

declare @year as char(4)
set @year = '2027'

select dateadd(day,2-datepart(dw,@year + '0101')+iif(datepart(dw,@year + '0101')>5,7,0),@year + '0101') as ISOWeek1

Open in new window

0
 

Author Closing Comment

by:intimenordic
ID: 40620863
Perfect! Just used getdate for declaring, since this is a runtime thing.

declare @year as char(4)
set @year = year(getdate())
select dateadd(day,2-datepart(dw,@year + '0101')+iif(datepart(dw,@year + '0101')>5,7,0),@year + '0101') as ISOWeek1

Thanks, and have a great weekend!
0

Featured Post

Ransomware-A Revenue Bonanza for Service Providers

Ransomware – malware that gets on your customers’ computers, encrypts their data, and extorts a hefty ransom for the decryption keys – is a surging new threat.  The purpose of this eBook is to educate the reader about ransomware attacks.

Question has a verified solution.

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

Why is this different from all of the other step by step guides?  Because I make a living as a DBA and not as a writer and I lived through this experience. Defining the name: When I talk to people they say different names on this subject stuff l…
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.
Familiarize people with the process of retrieving data from SQL Server using an Access pass-thru query. Microsoft Access is a very powerful client/server development tool. One of the ways that you can retrieve data from a SQL Server is by using a pa…
Via a live example combined with referencing Books Online, show some of the information that can be extracted from the Catalog Views in SQL Server.

863 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

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now