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table
  a
----------
c001-c099


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create table #table
(id int identity,aa char(12))

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#table
id    aa
-----------------------------------
1      c001
2      c002
3      c003
4      c004
....  c005
...    ..
99    c099

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SQL code:
----------------------------------------------------------------
-- Author :SQL77(ֻΪ˼ÆëÀÏ)
-- Date :2010-01-15 15:35:24
-- Version:
-- Microsoft SQL Server 2000 - 8.00.194 (Intel X86)
-- Aug 6 2000 00:57:48
-- Copyright (c) 1988-2000 Microsoft Corporation
-- Desktop Engine on Windows NT 5.1 (Build 2600: Service Pack 3)
--
----------------------------------------------------------------
--> ²âÊÔÊý¾Ý£º#TB
if object_id('tempdb.dbo.#TB') is not null drop table #TB
go
create table #TB([A] varchar(9))
insert #TB
select 'c001-c099'
--------------¿ªÊ¼²éѯ--------------------------

select
LEFT(SUBSTRING(A,1,CHARINDEX('-',A)-1),1)+
RIGHT('00000'+LTRIM(CONVERT(INT,RIGHT(SUBSTRING(A,1,CHARINDEX('-',A)-1),3))+NUMBER),3) AS A


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