SQL函数：将表中字段的每个单词首字母转化为大写

/*
version: 1.0
createdtime: 2007-01-08
creator: 走过四季
memo: for my lover[hjm]
举列：将用户表〔tbluser〕中〔username〕字段的每个单词首字母大写：
update tbluser set username=dbo.f_Trans(username)

提示：如需使用，请保留以上说明

*/
create   function   f_Trans(@col   varchar(2000))
returns   varchar(2000)
as
begin
set @col=replace(@col,'  ',' ')
set @col=replace(@col,',','**,')
set @col=replace(@col,' ',',')

declare @sql varchar(2000)
set   @sql=''
while charindex(',',@col)>0
select @sql=@sql+upper(left(@col,1))+LOWER(replace(substring(@col,2,charindex(',',@col)-1),',',' ')),
@col=substring(@col,charindex(',',@col)+1,len(@col)-charindex(',',@col))
set   @sql=@sql+upper(left(@col,1)) + replace(LOWER(right(@col,len(@col)-1)),',',' ')
set @sql=replace(@sql,'** ',',')
set @sql=replace(@sql,',,',', ')
return(@sql)
end

go