?
Solved

Help Needed With Query

Posted on 2015-01-17
5
Medium Priority
?
60 Views
Last Modified: 2015-01-20
I need help with one more Query and then I'm done.  For this one, I need to update the SinceLastAssigned value for every participant who has a value of zero to the MAX value in that column, plus one (in the case of the data presented, that would be 176).  Please let me know if you have any questions.  Appreciate the help!

Sample Data
0
Comment
Question by:penlandt
  • 2
  • 2
5 Comments
 
LVL 72

Expert Comment

by:Qlemo
ID: 40556036
Is 176 the value for all rows having a zero?
0
 
LVL 1

Author Comment

by:penlandt
ID: 40556248
Yes, that's correct.   I'm assuming that this can be done in one query but the first part (of course) has to be identifying the maximum value in the since last assigned column, then updating all the rows where the value is 0 to that maximum value plus one.  Hope that helps.
0
 
LVL 72

Accepted Solution

by:
Qlemo earned 2000 total points
ID: 40556285
That's easy. If you would need unique values, that's getting difficult ;-).
update  tbl set sinceLastAssigned = nextMaxAssigned
from (select max(sinceLastAssigned)+1 as nextMaxAssigned from tbl) m
where sinceLastAssigned = 0

Open in new window

0
 
LVL 15

Expert Comment

by:Vikas Garg
ID: 40557191
Hi,

I agree with Qlemo,

You can Update
Update Tbl set sinceLastAssigned = (SELECT max(sinceLastAssigned) from Tbl)  +1
WHERE sinceLastAssigned = 0

Open in new window

0
 
LVL 1

Author Closing Comment

by:penlandt
ID: 40561404
Thank you very much, this was exactly what I needed!
0

Featured Post

Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

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.
Recursive SQL is one of the most fascinating and powerful and yet dangerous feature offered in many modern databases today using a Common Table Expression (CTE) first introduced in the ANSI SQL 99 standard. The first implementations of CTE began ap…
SQL Database Recovery Software repairs the MDF & NDF Files, corrupted due to hardware related issues or software related errors. Provides preview of recovered database objects and allows saving in either MSSQL, CSV, HTML or XLS format. Ensures recov…
Stellar Phoenix SQL Database Repair software easily fixes the suspect mode issue of SQL Server database. It is a simple process to bring the database from suspect mode to normal mode. Check out the video and fix the SQL database suspect mode problem.

589 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