delete first five zeroes in an accountnumber in sql server

I have an accountnumber, say 000001020304043575.. I would like to delete only first 5 zeroes in Sql server. Please advise
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Deepak ChauhanSQL Server DBACommented:
select right('000001020304043575',len('000001020304043575')-5)
Brian CroweDatabase AdministratorCommented:
Just in case it's not always 5 zeroes and you just want to remove leading zeroes...

DECLARE @AcctNumber      VARCHAR(50) = '000001020304043575'

SELECT SUBSTRING(@AcctNumber, PATINDEX('%[^0]%', @AcctNumber), LEN(@AcctNumber))
d27m11yAuthor Commented:
sorry not delete, display  '000001020304043575' as 1020304043575
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Deepak ChauhanSQL Server DBACommented:
If you want to delete this value from table, you have to update the table.  But first test this in test table before implement on production table.

update tablename
set colname =right(AccountNOColumn,len(accountNoColumn)-5)
awking00Information Technology SpecialistCommented:
select right(field, len(field) - 5)
where field like '00000%'

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d27m11yAuthor Commented:
Can I use cast
awking00Information Technology SpecialistCommented:
If you want it to be a number rather than a string, you can certainly cast it.
d27m11yAuthor Commented:
Actually, I just realized the whole size of the accountnumber is varchar(25). However, the accountnumber can be 16 digits or 17 digits and rest are leading zeros. How do I trim leading zeros in this case.
awking00Information Technology SpecialistCommented:
Brian Crowe already showed you how to do that by taking the substring starting at the first non-zero character, which could then be cast to numeric.
d27m11yAuthor Commented:
How can I use cast to display removing leading zeros, please help !
Brian CroweDatabase AdministratorCommented:
You've already gotten that answer.  You haven't provided a query or any schema information so you got a generic usage.
d27m11yAuthor Commented:
I think I can use cast(cast(AccountNumber as bigint) as varchar)
Brian CroweDatabase AdministratorCommented:
That could work depending on the size of the account number.  You would have to test to see if it is the most performant.
Scott PletcherSenior DBACommented:
I'd offer one very slight mod to Brian's response, just on the off chance that the whole acct number is zero.  Naturally NO points for me please:

SELECT SUBSTRING(@AcctNumber, PATINDEX('%[^0]%', @AcctNumber + ' '), LEN(@AcctNumber))
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Microsoft SQL Server 2005

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