Solved

Move Field values in same table

Posted on 2007-03-22
5
152 Views
Last Modified: 2013-12-16
I have a table with 3 fields, field1, field2 and field3. I need to write an update query that moves field2 to field1 AND if field3 is entered, move field3 to field1 (replacing value just moved from field2). How can I accomplish this by using coldfusion?
0
Comment
Question by:Errol Farro
[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
  • 3
  • 2
5 Comments
 
LVL 50

Accepted Solution

by:
Lowfatspread earned 125 total points
ID: 18771697
?

update yourtable
 set field1 = coalesce(field3,field2)
where ...
0
 

Author Comment

by:Errol Farro
ID: 18772092
Thanks man, you are indeed a genius. I never heard of the coalesce function.
0
 

Author Comment

by:Errol Farro
ID: 18773486
Question: Is there a way to consider 0 as a not-null expression? It works fine when the value is Null but not when value is 0. Please advice.
0
 

Author Comment

by:Errol Farro
ID: 18773500
Sorry for the Typo:

Question: Is there a way to consider 0 also as a null expression? It works fine when the value is Null but not when value is 0. Please advice.
0
 
LVL 50

Expert Comment

by:Lowfatspread
ID: 18775745
update yourtable
 set field1 = coalesce(nullif(field3,0),field2)
where ...


nullif ( a,b) returns null if a and b are equal...  else a
0

Featured Post

On Demand Webinar - Networking for the Cloud Era

This webinar discusses:
-Common barriers companies experience when moving to the cloud
-How SD-WAN changes the way we look at networks
-Best practices customers should employ moving forward with cloud migration
-What happens behind the scenes of SteelConnect’s one-click button

Question has a verified solution.

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

Suggested Solutions

Now that Expression Web 4.0 (http://www.microsoft.com/expression/products/Upgrade.aspx) is free if you buy or have the full version of Expression Web 3.0, now is the best time to  migrate from FrontPage to Expression Web (http://www.frontpage-to-exp…
Objective of This Article In 1990’s, when I was a budding software professional, I had a lot of confusion about which stream or technology, I had to choose to build my career. In those days, I had lot of confusion like whether to choose System so…
The purpose of this video is to demonstrate how to set up an RSS Feed on a WordPress Website. This will be demonstrated using a Windows 8 PC. Feedburner will be used for this demonstration. Go to your WordPress login page. This will look like the…
The purpose of this video is to demonstrate how to set up the permalinks on a WordPress Website. This will be demonstrated using a Windows 8 PC. Go to your WordPress login page. This will look like the following: mywebsite.com/wp-login.php : Go t…

696 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