remove first three character in sql serer

Guys,
How do I in sql server to remove three first character that start with "RHB apps one". So I want teh result to be "apps one". How do I do this
motioneyeAsked:
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Mark WillsTopic AdvisorCommented:
if it is a column, then use STUFF

select ltrim(stuff('RHB apps one',1,3,''))

the ltrim is to remove leading spaces

see : https://docs.microsoft.com/en-us/sql/t-sql/functions/stuff-transact-sql
motioneyeAuthor Commented:
Hi,
I just want any character  value in  the column ColumnZ that start with RHB as first three character to be remove, so instead of  "RHB apps one" then the result should only appear "apps one"
Mark WillsTopic AdvisorCommented:
Yep, you do want STUFF - it is a real thing...


SELECT STUFF(COLUMNZ,1,3,'')
from yourdatasource
where columnz like 'RHB%'

and you can use that in an update... basically 'stuffing' a zero length string over the top of the first three characters.

your other choice is REPLACE, but it could replace any occurrence of RHB
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Shaun VermaakTechnical SpecialistCommented:
Isn't it four characters?
Bill PrewIT / Software Engineering ConsultantCommented:
@Shaun,

Yes, I think that's why Mark proposed this initially...

select ltrim(stuff('RHB apps one',1,3,''))


»bp
Vitor MontalvãoMSSQL Senior EngineerCommented:
You can use the REPLACE function:
SELECT REPLACE(colName,'RHB ', '') 
FROM tableName

Open in new window

Mark WillsTopic AdvisorCommented:
Yes as I said before, you can use replace, but if it is the three characters (not 4 characters)

then replace(columnz,'RHB','')  will also make a string (column name) of "Regional Home Builders Association - RHBA" become "Regional Home Builders Association - A" and (depending on collation) it is case insensitive. So "Myrrhbearers" becomes "Myrearers". Replace is not position aware. So best used where position in not as easily determined.

As Bill kindly points out, the correct way to remove any resulting leading spaces is to use ltrim()

STUFF() is the correct command, and the only two other approaches would be SUBSTRING or RIGHT

SELECT SUBSTRING(COLUMNZ,4,LEN(columnz) - 3)
SELECT RIGHT(COLUMNZ, len(columnz) - 3)

And still we need to wrap in ltrim()

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Vitor MontalvãoMSSQL Senior EngineerCommented:
Yes as I said before, you can use replace, but if it is the three characters (not 4 characters)
Why not 4? Replacing 3 characters will leave a leading space.
Mark WillsTopic AdvisorCommented:
@Vitor,

You could, but the requirement was "remove three first character"

And the ltrim() removes any leading space(s) any way
Vitor MontalvãoMSSQL Senior EngineerCommented:
But requirement doesn't fits with the example as it doesn't appear with the leading space, so I would say it wasn't correctly explained.
Yes, LTRIM removes leading spaces but for REPLACE you'll need to remove the extra space.
Anyway, the author didn't come with a feedback yet, so all we can do is guessing.
Mark WillsTopic AdvisorCommented:
Hi motioneye,

Is there anything else we can do for you ?
motioneyeAuthor Commented:
Hi Guys,
This is fine, I manage to work on it by  "STUFF" Its really works with my needs.
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