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SQL code:
replace(col,'#','')


replace(colname,'#','')

SQL code:
update tb1
set colName=replace(colName,'#','')


SQL code:
----------------------------------------------------------------
-- Author :fredrickhu(СF£¬Ïò¸ßÊÖѧϰ)
-- Date :2009-12-22 00:07:43
-- Version:
-- Microsoft SQL Server 2005 - 9.00.4035.00 (Intel X86)
-- Nov 24 2008 13:01:59
-- Copyright (c) 1988-2005 Microsoft Corporation
-- Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
--
----------------------------------------------------------------
--> ²âÊÔÊý¾Ý£º[tb]
if object_id('[tb]') is not null drop table [tb]
go
create table [tb]([col] varchar(8))
insert [tb]
select 'zxczc$#1' union all
select '1#4asdµÈ'
--------------¿ªÊ¼²éѯ--------------------------

select col=replace(col,'#','') from [tb]
----------------½á¹û----------------------------
/*col
--------------------------------------------------------------------


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