Solved

Trim a column in a SQL statement

Posted on 2007-03-22
3
4,127 Views
Last Modified: 2007-12-19
I am trying to write a SQL statement that will trim the last characters after a whitespace in one of the columns called Postcode. Any ideas how I do this. Here is the code so far
SELECT blabla.`User`.UserName as USER, blabla.`User`.Postcode AS pcode, blabla.`User`.Tel, blabla.`User`.Email, blabla.`User`.Address, blabla.Customer.CustomerID FROM blabla.Customer, blabla.`User` WHERE blabla.Customer.UserID = blabla.`User`.UserID AND blabla.`User`.Postcode IS NOT NULL"
Customer has a PK CustomerID and a FK UserID. User has a PK UserID
The data is from a MySQL database
Seb
0
Comment
Question by:sebastiz
[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
  • 2
3 Comments
 
LVL 11

Expert Comment

by:Ved Prakash Agrawal
ID: 18769753
you can use RIGHT Function.
0
 
LVL 14

Accepted Solution

by:
Renante Entera earned 500 total points
ID: 18769758
Hi sebastiz!

I think this is what you are looking for :
===========================================
SELECT
  blabla.`User`.UserName as USER,
  blabla.`User`.Postcode AS pcode_orig,
  LEFT(blabla.`User`.Postcode, LENGTH(blabla.`User`.Postcode) - LOCATE(' ', REVERSE(blabla.`User`.Postcode))) as pcode_trim,
  blabla.`User`.Tel, blabla.`User`.Email, blabla.`User`.Address, blabla.Customer.CustomerID
FROM blabla.Customer, blabla.`User`
WHERE blabla.Customer.UserID = blabla.`User`.UserID
AND blabla.`User`.Postcode IS NOT NULL"
===========================================

So, the logic there is that you will locate first the position of the first occurence of "white space" but be sure to reverse the actual string.  Once you got the position then that would be deducted to the length of the actual string.  So, you will simply use function LEFT() to comeup with the expected value.

I hope that this helps you.  Just try it.


Goodluck!
eNTRANCE2002 :-)
0
 
LVL 14

Expert Comment

by:Renante Entera
ID: 18786940
Hi sebastiz!

I'm glad that I have helped you.  Hope to help you again...

BTW, thanks for the points and grade.


Regards!
eNTRANCE2002 :-)
0

Featured Post

On Demand Webinar: Networking for the Cloud Era

Did you know SD-WANs can improve network connectivity? Check out this webinar to learn how an SD-WAN simplified, one-click tool can help you migrate and manage data in the cloud.

Question has a verified solution.

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

In the first part of this tutorial we will cover the prerequisites for installing SQL Server vNext on Linux.
This post looks at MongoDB and MySQL, and covers high-level MongoDB strengths, weaknesses, features, and uses from the perspective of an SQL user.
Viewers will learn how to use the INSERT statement to insert data into their tables. It will also introduce the NULL statement, to show them what happens when no value is giving for any given column.
Viewers will learn how to use the SELECT statement in SQL to return specific rows and columns, with various degrees of sorting and limits in place.

630 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