Función SQL para quitar Acentos (y pasa a mayusculas)

Por medio de la sig función podemos usarla para que le quite los acentos a cadenas de caracteres.

Uso:
Select dbo.replaceAccentCharAndEnieUpper('123ÁáéíóúñÑ456')

Resultado:
123AAEIOUNN456

Función:


CREATE FUNCTION replaceAccentCharAndEnieUpper (@source as varchar(255))
RETURNS varchar(255) AS
BEGIN

declare @charList as varchar(20)
declare @temp as varchar(255)
declare @i as int

set @temp = @source
set @charList = 'aeiou'

set @i = 0
while @i <= len(@charList)
begin
set @temp = replace(@temp,  substring(@charList, @i, 1)  ,  substring(@charList, @i, 1)  )
set @i = @i + 1
end
set @temp = Replace(@temp, '’', '''')
set @temp = Replace(@temp, 'ñ', 'n')

set @temp = Upper(@temp)

return @temp

END

Fuente:

http://us.generation-nt.com/answer/removing-accents-doing-accent-insensitive-processing-help-151335981.html